{"id":17005,"date":"2025-06-20T09:06:49","date_gmt":"2025-06-20T03:36:49","guid":{"rendered":"Cancer is a life-altering diagnosis affecting millions globally each year. With early detection being key to improved survival rates and treatment outcomes, blood tests have emerged as vital tools in identifying cancer at earlier stages. In this blog post"},"modified":"2025-06-20T09:06:49","modified_gmt":"2025-06-20T03:36:49","slug":"can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained","status":"publish","type":"post","link":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/","title":{"rendered":"Can a Blood Test Detect Cancer? Early Detection, Biomarkers &#038; Screening Explained"},"content":{"rendered":"<p>Cancer is a life-altering diagnosis affecting millions globally each year. With early detection being key to improved survival rates and treatment outcomes, blood tests have emerged as vital tools in identifying cancer at earlier stages. In this blog post, we\u2019ll explore how blood tests help detect cancer, the role of cancer biomarkers, the promise of emerging technologies like liquid biopsy, and why regular screenings matter.<\/p>\n<p>\ud83d\udcde\u00a0<strong>Book Blood Test at Home<\/strong>:<br \/>\nCall\/WhatsApp:\u00a0<strong>6397145093 \/ 8655824479<\/strong><br \/>\n\ud83c\udf10\u00a0Visit:\u00a0<a href=\"https:\/\/www.onehealthassist.com\/\">www.onehealthassist.com<\/a><br \/>\n\ud83d\udcf1\u00a0Download:\u00a0<em>One Health Assist App<\/em><\/p>\n<hr \/>\n<h2>Understanding Cancer Biomarkers<\/h2>\n<p>Cancer develops when abnormal cells grow uncontrollably. During this process, cancer cells often release specific substances\u2014called <strong>biomarkers<\/strong>\u2014into the bloodstream. These biomarkers vary depending on the type and stage of cancer and are measurable using blood tests.<\/p>\n<hr \/>\n<h2>Common Cancer Blood Tests and Their Purpose<\/h2>\n<h3>1. <strong>PSA Test (Prostate-Specific Antigen)<\/strong><\/h3>\n<ul>\n<li><strong>Used for:<\/strong> Detecting prostate cancer<\/li>\n<li><strong>Biomarker:<\/strong> PSA protein from the prostate<\/li>\n<li><strong>Note:<\/strong> Elevated PSA levels may indicate prostate cancer but can also occur in non-cancerous prostate conditions.<\/li>\n<\/ul>\n<h3>2. <strong>CA-125 Test<\/strong><\/h3>\n<ul>\n<li><strong>Used for:<\/strong> Ovarian cancer screening<\/li>\n<li><strong>Biomarker:<\/strong> CA-125 protein<\/li>\n<li><strong>Note:<\/strong> Elevated levels need further testing as they may also be due to benign conditions.<\/li>\n<\/ul>\n<h3>3. <strong>CEA Test (Carcinoembryonic Antigen)<\/strong><\/h3>\n<ul>\n<li><strong>Used for:<\/strong> Monitoring colorectal and other cancers<\/li>\n<li><strong>Biomarker:<\/strong> CEA glycoprotein<\/li>\n<li><strong>Note:<\/strong> Helpful for tracking cancer recurrence or progression.<\/li>\n<\/ul>\n<h3>4. <strong>AFP Test (Alpha-fetoprotein)<\/strong><\/h3>\n<ul>\n<li><strong>Used for:<\/strong> Detecting liver and testicular cancers<\/li>\n<li><strong>Biomarker:<\/strong> AFP protein<\/li>\n<li><strong>Note:<\/strong> AFP is naturally high during pregnancy; abnormal levels in adults may require follow-up.<\/li>\n<\/ul>\n<h3>5. <strong>Liquid Biopsy<\/strong><\/h3>\n<ul>\n<li><strong>Used for:<\/strong> Detecting circulating tumor DNA (ctDNA)<\/li>\n<li><strong>Biomarker:<\/strong> Genetic mutations specific to cancers<\/li>\n<li><strong>Note:<\/strong> This modern approach helps with early detection, monitoring treatment response, and detecting recurrence.<\/li>\n<\/ul>\n<p>\ud83d\udcde\u00a0<strong>Book Blood Test at Home<\/strong>:<br \/>\nCall\/WhatsApp:\u00a0<strong>6397145093 \/ 8655824479<\/strong><br \/>\n\ud83c\udf10\u00a0Visit:\u00a0<a href=\"https:\/\/www.onehealthassist.com\/\">www.onehealthassist.com<\/a><br \/>\n\ud83d\udcf1\u00a0Download:\u00a0<em>One Health Assist App<\/em><\/p>\n<hr \/>\n<h2>Challenges and Limitations of Blood Tests in Cancer Detection<\/h2>\n<p>While promising, blood tests for cancer also have limitations:<\/p>\n<ul>\n<li><strong>False Positives:<\/strong> High biomarker levels can occur from non-cancerous conditions.<\/li>\n<li><strong>False Negatives:<\/strong> Not all cancers release detectable biomarkers.<\/li>\n<li><strong>Specificity Issues:<\/strong> A positive result doesn\u2019t always indicate cancer type or location.<\/li>\n<li><strong>Complementary Testing Required:<\/strong> Imaging and biopsy are often needed for confirmation.<\/li>\n<li><strong>Access to Emerging Tech:<\/strong> Liquid biopsies and multi-cancer detection (MCD) tests are still gaining availability.<\/li>\n<\/ul>\n<hr \/>\n<h2>The Role of Regular Screening in Cancer Prevention<\/h2>\n<p>Early detection through <strong>tailored screenings<\/strong>\u2014based on family history, age, and risk factors\u2014significantly increases treatment success. These may include:<\/p>\n<ul>\n<li><strong>Blood tests<\/strong><\/li>\n<li><strong>Mammograms<\/strong><\/li>\n<li><strong>Pap smears<\/strong><\/li>\n<li><strong>Low-dose CT scans<\/strong><\/li>\n<li><strong>Colonoscopies<\/strong><\/li>\n<li><strong>Liquid biopsy or MCD tests (where available)<\/strong><\/li>\n<\/ul>\n<hr \/>\n<h2>OHA \u2013 Your Partner in Early Diagnosis and Preventive Care<\/h2>\n<p>OHA is India\u2019s leading <strong>diagnostic aggregator platform<\/strong>, offering access to top NABL-accredited labs. Our key features:<\/p>\n<p>\u2705 Compare prices from India\u2019s top diagnostic labs<br \/>\n\u2705 Trusted partners like Dr Lal PathLabs, SRL Diagnostics, Thyrocare, Metropolis &amp; more<br \/>\n\u2705 10,000+ pincodes served<br \/>\n\u2705 Book blood tests from the comfort of home<br \/>\n\u2705 Instant reports, expert-curated health packages<br \/>\n\u2705 Lab tests starting at affordable prices<br \/>\n\u2705 Easy app &amp; website booking<\/p>\n<p>\ud83d\udcf1 <strong>Book your test now<\/strong> at <a href=\"https:\/\/www.onehealthassist.com\/\">www.onehealthassist.com<\/a><br \/>\nCall\/WhatsApp:\u00a0<strong>6397145093 \/ 8655824479<\/strong><br \/>\n\ud83d\udcf1\u00a0Download:\u00a0<em>One Health Assist App<\/em><\/p>\n<hr \/>\n<h2>Top FAQs<\/h2>\n<p><strong>Q1. What test can detect early cancer?<\/strong><br \/>\n<strong>A:<\/strong> Multi-Cancer Detection (MCD) tests and liquid biopsies identify biological signals like tumor DNA or proteins, often before symptoms appear.<\/p>\n<p><strong>Q2. Can you have cancer with normal WBC?<\/strong><br \/>\n<strong>A:<\/strong> Yes. White blood cell (WBC) count may remain normal, depending on the type and location of cancer.<\/p>\n<p><strong>Q3. Which test confirms cancer stage?<\/strong><br \/>\n<strong>A:<\/strong> A combination of imaging tests (CT, MRI, PET) and biopsy helps determine cancer stage and spread.<\/p>\n<p><strong>Q4. Are blood tests enough to diagnose cancer?<\/strong><br \/>\n<strong>A:<\/strong> No, blood tests can indicate potential cancer but must be followed by imaging or tissue biopsy for a confirmed diagnosis.<\/p>\n<p><strong>Q5. What is a liquid biopsy?<\/strong><br \/>\n<strong>A:<\/strong> It is a non-invasive blood test that detects fragments of tumor DNA or cells for early cancer detection and monitoring.<\/p>\n<hr \/>\n<h2>Conclusion<\/h2>\n<p>Blood tests for cancer offer a powerful first glimpse into the body\u2019s health and can detect abnormalities before they turn severe. While not definitive on their own, they serve as crucial components of a complete diagnostic process. Regular screenings, open conversations with healthcare providers, and access to reliable testing platforms like OHA can make a life-saving difference.<\/p>\n<p><strong>Detect early. Act early. Stay healthy with OHA.<\/strong><\/p>\n<p>\ud83d\udcde\u00a0<strong>Book Blood Test at Home<\/strong>:<br \/>\nCall\/WhatsApp:\u00a0<strong>6397145093 \/ 8655824479<\/strong><br \/>\n\ud83c\udf10\u00a0Visit:\u00a0<a href=\"https:\/\/www.onehealthassist.com\/\">www.onehealthassist.com<\/a><br \/>\n\ud83d\udcf1\u00a0Download:\u00a0<em>One Health Assist App<\/em><\/p>\n<table style=\"background-color: #c33894;\">\n<tbody>\n<tr>\n<td>\n<h4><a href=\"https:\/\/www.onehealthassist.com\/\"><strong><span style=\"color: #ffff00;\">OHA<\/span><\/strong><\/a>\u00a0<span style=\"color: #ffffff;\">, your premier wellness partner, offers a wide range of medical, health, diagnostic, laboratory tests, and checkup packages from reputable, certified diagnostic labs across the country.<span style=\"color: #ffff00;\"><b><a style=\"color: #ffff00;\" href=\"https:\/\/onetechsolution.co.in\/book-labtest\/\" target=\"_blank\" rel=\"noopener\">Book online<\/a><\/b><\/span>\u00a0Book medical tests or health checkup packages online at One Health Assist with competitive prices and special offers.<\/span><\/h4>\n<h4><a href=\"https:\/\/www.onehealthassist.com\/\"><strong><span style=\"color: #ffff00;\">OHA&#8217;s<\/span><\/strong><\/a>\u00a0<span style=\"color: #ffffff;\"><b>&#8211; online platform allows customers to compare and select the best-rated health checkup packages from leading laboratories nationwide. Discover discounted health checkup plans tailored for various needs, including youth, women, senior citizens, newborns, employees, pre-employment, and couples.<\/b><\/span><\/h4>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Cancer is a life-altering diagnosis affecting millions globally each year. With early detection being key to improved survival rates and treatment outcomes, blood tests have emerged as vital tools in identifying cancer at earlier stages. In this blog post, we\u2019ll explore how blood tests help detect cancer, the role of cancer biomarkers, the promise of<\/p>\n","protected":false},"author":1,"featured_media":17007,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3,4,1,36,34,16,37,35],"tags":[9833,9829,9371,9831,9840,9828,8770,9837,9838,9832,9836,9839,9835,9834,252,9830],"class_list":{"0":"post-17005","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-editors-picks","8":"category-featured","9":"category-health","10":"category-lifestyle","11":"category-mens-health","12":"category-trending","13":"category-wellness","14":"category-womens-health","15":"tag-afp","16":"tag-biomarkers","17":"tag-blood-test-for-cancer","18":"tag-ca-125","19":"tag-can-a-blood-test-detect-cancer","20":"tag-cancer-detection-blood-test","21":"tag-cancer-diagnosis","22":"tag-cancer-stage-detection","23":"tag-cancer-tests-at-home","24":"tag-cea","25":"tag-ctdna-analysis","26":"tag-diagnostic-lab-aggregator-india","27":"tag-early-cancer-screening","28":"tag-liquid-biopsy","29":"tag-OHA","30":"tag-psa-test"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Can a Blood Test Detect Cancer? Early Detection, Biomarkers &amp; Screening Explained - Health Tips | Health Blog | Health News | Health Awareness Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onehealthassist.com\/blog\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Can a Blood Test Detect Cancer? Early Detection, Biomarkers &amp; Screening Explained - Health Tips | Health Blog | Health News | Health Awareness Blog\" \/>\n<meta property=\"og:description\" content=\"Cancer is a life-altering diagnosis affecting millions globally each year. With early detection being key to improved survival rates and treatment outcomes, blood tests have emerged as vital tools in identifying cancer at earlier stages. In this blog post, we\u2019ll explore how blood tests help detect cancer, the role of cancer biomarkers, the promise of\" \/>\n<meta property=\"og:url\" content=\"https:\/\/onehealthassist.com\/blog\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/\" \/>\n<meta property=\"og:site_name\" content=\"Health Tips | Health Blog | Health News | Health Awareness Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Onehealthassist\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-20T03:36:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/onehealthassist.com\/blog\/wp-content\/uploads\/2025\/06\/Can-a-Blood-Test-Detect-Cancer-Early-Detection-Biomarkers-Screening-Explained-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1460\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"davindersinghmy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@oha_official_\" \/>\n<meta name=\"twitter:site\" content=\"@oha_official_\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"davindersinghmy\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/\"},\"author\":{\"name\":\"davindersinghmy\",\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/#\\\/schema\\\/person\\\/4a853d62d0228d550832f40822ad7769\"},\"headline\":\"Can a Blood Test Detect Cancer? Early Detection, Biomarkers &#038; Screening Explained\",\"datePublished\":\"2025-06-20T03:36:49+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/\"},\"wordCount\":799,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/blog.onehealthassist.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/Can-a-Blood-Test-Detect-Cancer-Early-Detection-Biomarkers-Screening-Explained-scaled.jpg\",\"keywords\":[\"AFP\",\"biomarkers\",\"Blood test for cancer\",\"CA-125\",\"Can a Blood Test Detect Cancer?\",\"Cancer detection blood test\",\"Cancer diagnosis\",\"cancer stage detection\",\"cancer tests at home\",\"CEA\",\"ctDNA analysis\",\"diagnostic lab aggregator India\",\"early cancer screening\",\"liquid biopsy\",\"oha\",\"PSA test\"],\"articleSection\":[\"Editor's Picks\",\"Featured\",\"Health\",\"Lifestyle\",\"Men's Health\",\"Trending\",\"Wellness\",\"Women's Health\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/\",\"url\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/\",\"name\":\"Can a Blood Test Detect Cancer? Early Detection, Biomarkers & Screening Explained - Health Tips | Health Blog | Health News | Health Awareness Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/blog.onehealthassist.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/Can-a-Blood-Test-Detect-Cancer-Early-Detection-Biomarkers-Screening-Explained-scaled.jpg\",\"datePublished\":\"2025-06-20T03:36:49+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/#primaryimage\",\"url\":\"https:\\\/\\\/blog.onehealthassist.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/Can-a-Blood-Test-Detect-Cancer-Early-Detection-Biomarkers-Screening-Explained-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/blog.onehealthassist.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/Can-a-Blood-Test-Detect-Cancer-Early-Detection-Biomarkers-Screening-Explained-scaled.jpg\",\"width\":2560,\"height\":1460},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Can a Blood Test Detect Cancer? Early Detection, Biomarkers &#038; Screening Explained\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/\",\"name\":\"Health Tips | Health Blog | Health News | Health Awareness Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/#organization\",\"name\":\"Health Tips | Health Blog | Health News | Health Awareness Blog\",\"alternateName\":\"One Health Assist\",\"url\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/blog.onehealthassist.com\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/logo.jpg\",\"contentUrl\":\"https:\\\/\\\/blog.onehealthassist.com\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/logo.jpg\",\"width\":1080,\"height\":1080,\"caption\":\"Health Tips | Health Blog | Health News | Health Awareness Blog\"},\"image\":{\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/Onehealthassist\\\/\",\"https:\\\/\\\/x.com\\\/oha_official_\",\"https:\\\/\\\/www.instagram.com\\\/one_health_assist\\\/\",\"https:\\\/\\\/www.youtube.com\\\/@OneHealthAssist_Official\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/one-health-assist\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/#\\\/schema\\\/person\\\/4a853d62d0228d550832f40822ad7769\",\"name\":\"davindersinghmy\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/920f04d55ca2f3fd85c2a151d11ad1359af43606c88759cee59b9a07f607f171?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/920f04d55ca2f3fd85c2a151d11ad1359af43606c88759cee59b9a07f607f171?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/920f04d55ca2f3fd85c2a151d11ad1359af43606c88759cee59b9a07f607f171?s=96&d=mm&r=g\",\"caption\":\"davindersinghmy\"},\"sameAs\":[\"https:\\\/\\\/blog.onehealthassist.com\"],\"url\":\"https:\\\/\\\/onehealthassist.com\\\/blog\\\/author\\\/davindersinghmy\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Can a Blood Test Detect Cancer? Early Detection, Biomarkers & Screening Explained - Health Tips | Health Blog | Health News | Health Awareness Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/onehealthassist.com\/blog\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/","og_locale":"en_US","og_type":"article","og_title":"Can a Blood Test Detect Cancer? Early Detection, Biomarkers & Screening Explained - Health Tips | Health Blog | Health News | Health Awareness Blog","og_description":"Cancer is a life-altering diagnosis affecting millions globally each year. With early detection being key to improved survival rates and treatment outcomes, blood tests have emerged as vital tools in identifying cancer at earlier stages. In this blog post, we\u2019ll explore how blood tests help detect cancer, the role of cancer biomarkers, the promise of","og_url":"https:\/\/onehealthassist.com\/blog\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/","og_site_name":"Health Tips | Health Blog | Health News | Health Awareness Blog","article_publisher":"https:\/\/www.facebook.com\/Onehealthassist\/","article_published_time":"2025-06-20T03:36:49+00:00","og_image":[{"width":2560,"height":1460,"url":"https:\/\/onehealthassist.com\/blog\/wp-content\/uploads\/2025\/06\/Can-a-Blood-Test-Detect-Cancer-Early-Detection-Biomarkers-Screening-Explained-scaled.jpg","type":"image\/jpeg"}],"author":"davindersinghmy","twitter_card":"summary_large_image","twitter_creator":"@oha_official_","twitter_site":"@oha_official_","twitter_misc":{"Written by":"davindersinghmy","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/#article","isPartOf":{"@id":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/"},"author":{"name":"davindersinghmy","@id":"https:\/\/onehealthassist.com\/blog\/#\/schema\/person\/4a853d62d0228d550832f40822ad7769"},"headline":"Can a Blood Test Detect Cancer? Early Detection, Biomarkers &#038; Screening Explained","datePublished":"2025-06-20T03:36:49+00:00","mainEntityOfPage":{"@id":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/"},"wordCount":799,"commentCount":0,"publisher":{"@id":"https:\/\/onehealthassist.com\/blog\/#organization"},"image":{"@id":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/#primaryimage"},"thumbnailUrl":"https:\/\/blog.onehealthassist.com\/wp-content\/uploads\/2025\/06\/Can-a-Blood-Test-Detect-Cancer-Early-Detection-Biomarkers-Screening-Explained-scaled.jpg","keywords":["AFP","biomarkers","Blood test for cancer","CA-125","Can a Blood Test Detect Cancer?","Cancer detection blood test","Cancer diagnosis","cancer stage detection","cancer tests at home","CEA","ctDNA analysis","diagnostic lab aggregator India","early cancer screening","liquid biopsy","oha","PSA test"],"articleSection":["Editor's Picks","Featured","Health","Lifestyle","Men's Health","Trending","Wellness","Women's Health"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/","url":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/","name":"Can a Blood Test Detect Cancer? Early Detection, Biomarkers & Screening Explained - Health Tips | Health Blog | Health News | Health Awareness Blog","isPartOf":{"@id":"https:\/\/onehealthassist.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/#primaryimage"},"image":{"@id":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/#primaryimage"},"thumbnailUrl":"https:\/\/blog.onehealthassist.com\/wp-content\/uploads\/2025\/06\/Can-a-Blood-Test-Detect-Cancer-Early-Detection-Biomarkers-Screening-Explained-scaled.jpg","datePublished":"2025-06-20T03:36:49+00:00","breadcrumb":{"@id":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/#primaryimage","url":"https:\/\/blog.onehealthassist.com\/wp-content\/uploads\/2025\/06\/Can-a-Blood-Test-Detect-Cancer-Early-Detection-Biomarkers-Screening-Explained-scaled.jpg","contentUrl":"https:\/\/blog.onehealthassist.com\/wp-content\/uploads\/2025\/06\/Can-a-Blood-Test-Detect-Cancer-Early-Detection-Biomarkers-Screening-Explained-scaled.jpg","width":2560,"height":1460},{"@type":"BreadcrumbList","@id":"https:\/\/onehealthassist.com\/blog\/can-a-blood-test-detect-cancer-early-detection-biomarkers-screening-explained\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/onehealthassist.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Can a Blood Test Detect Cancer? Early Detection, Biomarkers &#038; Screening Explained"}]},{"@type":"WebSite","@id":"https:\/\/onehealthassist.com\/blog\/#website","url":"https:\/\/onehealthassist.com\/blog\/","name":"Health Tips | Health Blog | Health News | Health Awareness Blog","description":"","publisher":{"@id":"https:\/\/onehealthassist.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/onehealthassist.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/onehealthassist.com\/blog\/#organization","name":"Health Tips | Health Blog | Health News | Health Awareness Blog","alternateName":"One Health Assist","url":"https:\/\/onehealthassist.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/onehealthassist.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/blog.onehealthassist.com\/wp-content\/uploads\/2025\/11\/logo.jpg","contentUrl":"https:\/\/blog.onehealthassist.com\/wp-content\/uploads\/2025\/11\/logo.jpg","width":1080,"height":1080,"caption":"Health Tips | Health Blog | Health News | Health Awareness Blog"},"image":{"@id":"https:\/\/onehealthassist.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/Onehealthassist\/","https:\/\/x.com\/oha_official_","https:\/\/www.instagram.com\/one_health_assist\/","https:\/\/www.youtube.com\/@OneHealthAssist_Official","https:\/\/www.linkedin.com\/company\/one-health-assist\/"]},{"@type":"Person","@id":"https:\/\/onehealthassist.com\/blog\/#\/schema\/person\/4a853d62d0228d550832f40822ad7769","name":"davindersinghmy","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/920f04d55ca2f3fd85c2a151d11ad1359af43606c88759cee59b9a07f607f171?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/920f04d55ca2f3fd85c2a151d11ad1359af43606c88759cee59b9a07f607f171?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/920f04d55ca2f3fd85c2a151d11ad1359af43606c88759cee59b9a07f607f171?s=96&d=mm&r=g","caption":"davindersinghmy"},"sameAs":["https:\/\/blog.onehealthassist.com"],"url":"https:\/\/onehealthassist.com\/blog\/author\/davindersinghmy\/"}]}},"_links":{"self":[{"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/posts\/17005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/comments?post=17005"}],"version-history":[{"count":1,"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/posts\/17005\/revisions"}],"predecessor-version":[{"id":17008,"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/posts\/17005\/revisions\/17008"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/media\/17007"}],"wp:attachment":[{"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/media?parent=17005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/categories?post=17005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onehealthassist.com\/blog\/wp-json\/wp\/v2\/tags?post=17005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}