{"id":207890,"date":"2025-03-05T19:05:52","date_gmt":"2025-03-06T01:05:52","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/03\/the-science-of-exercise-for-cancer-kerry-courneya-phd"},"modified":"2025-03-05T19:05:52","modified_gmt":"2025-03-06T01:05:52","slug":"the-science-of-exercise-for-cancer-kerry-courneya-phd","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/03\/the-science-of-exercise-for-cancer-kerry-courneya-phd","title":{"rendered":"The Science of Exercise for Cancer | Kerry Courneya, PhD"},"content":{"rendered":"<p><\/p>\n<p><iframe loading=\"lazy\" title=\"The Science of Exercise for Cancer | Kerry Courneya, PhD\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/vaFxN_cDuV0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>For decades, exercise was considered an optional part of cancer care\u2014something beneficial for general health but not essential. The evidence is now overwhelming: exercise is not just supportive\u2014it\u2019s a therapeutic intervention that recalibrates tumor biology, enhances treatment tolerance, and improves survival outcomes.<\/p>\n<p>With over 600 peer-reviewed studies, Dr. Kerry Courneya\u2019s work has fundamentally reshaped our understanding of how structured exercise\u2014whether aerobic, resistance training, or high-intensity intervals\u2014can mitigate treatment side effects, enhance immune function, and directly influence cancer progression.<\/p>\n<p>Train smarter with evidence-based strategies from top experts\u2014get your free copy of \u201cHow to Train According to the Experts\u201d at <a href=\"https:\/\/howtotrainguide.com\/\">https:\/\/howtotrainguide.com\/<\/a><\/p>\n<p>CHAPTERS:<br \/> 00:00:00 Introduction.<br \/> 00:01:47 Why exercise should be effortful.<br \/> 00:02:33 How to meaningfully reduce risk of cancer.<br \/> 00:06:22 What type of exercise is best?<br \/> 00:07:59 How exercise reduces risk\u2014even for smokers and the obese.<br \/> 00:10:48 Weekend-only exercise.<br \/> 00:13:49 150 vs. 300 minutes per week (more is better\u2014up to a point)<br \/> 00:16:03 Why pre-diagnosis exercise matters.<br \/> 00:19:09 Why resilience to cancer treatment starts with exercise.<br \/> 00:21:01 Why low muscle mass drives cancer death.<br \/> 00:23:58 Why BMI fails to measure true obesity.<br \/> 00:27:51 Why daily activity isn\u2019t enough (structured exercise matters)<br \/> 00:29:34 Breaking up sedentary time\u2014do \u2018exercise snacks\u2019 help?<br \/> 00:31:50 Supplements vs. exercise.<br \/> 00:32:32 Where exercise fits with chemo and immunotherapy.<br \/> 00:35:30 Why rest is not the best medicine.<br \/> 00:41:20 Aerobic vs. resistance.<br \/> 00:42:11 How chemotherapy patients were able to put on over a kilogram of muscle.<br \/> 00:42:13 How weight training improves \u2018chemo completion\u2019<br \/> 00:44:41 Why exercise creates vulnerability in cancer cells (limitations do apply)<br \/> 00:47:09 Why exercise might be crucial for tumor elimination.<br \/> 00:53:03 Why cardio may be better at clearing tumor cells.<br \/> 00:56:18 When cancer spreads quickly\u2014and when it doesn\u2019t.<br \/> 00:57:43 Why liquid biopsies may prevent over-treatment.<br \/> 01:02:56 Exercise-sensitive vs. exercise-resistant cancers.<br \/> 01:06:06 Prostate cancer therapy\u2014why strength training matters.<br \/> 01:08:10 When exercise is the only therapy\u2014does it work?<br \/> 01:09:26 Why HIIT reduces PSA in prostate cancer.<br \/> 01:11:40 Avoiding over-treatment\u2014can exercise buy you time?<br \/> 01:12:00 Why high-intensity exercise boosts anti-cancer biology.<br \/> 01:13:11 Turning a diagnosis into a wake-up call.<br \/> 01:16:11 Why oncologists are rethinking exercise.<br \/> 01:18:50 Why exercise eases anxiety about cancer\u2014proven psychological benefits.<br \/> 01:25:00 Before, during, and after treatment.<br \/> 01:27:02 Why exercise is unique among cancer therapies.<br \/> 01:28:16 Why cancer patients stop exercising\u2014the risky mistake almost everyone makes.<br \/> 01:30:41 How to get sedentary cancer patients exercising (realistically)<br \/> 01:33:15 The $1 million case for including exercise.<br \/> 01:34:56 Why recurrence trials haven\u2019t convinced doctors\u2014yet.<br \/> 01:37:36 The bottom-line message.<br \/> 01:37:55 The myth of a cancer panacea (exercise included)<br \/> 01:44:07 What\u2019s the best $50 investment for staying active?<br \/> 01:44:40 Only 15 minutes per day\u2014what\u2019s the best anti-cancer exercise?<\/p>\n<p>A quick cautionary note: Always consult a qualified healthcare provider\u2014presumably an oncologist if your questions involve cancer treatment\u2014particularly if you\u2019re considering actions based on or inspired by our conversation today. This episode should not be construed as a substitute for qualified medical advice.<\/p>\n<p>*Kerry Courneya, PhD*<\/p>\n<div class=\"more-link-wrapper\"> <a class=\"more-link\" href=\"https:\/\/lifeboat.com\/blog\/2025\/03\/the-science-of-exercise-for-cancer-kerry-courneya-phd\">Continue reading \u201cThe Science of Exercise for Cancer | Kerry Courneya, PhD\u201d | &gt;<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>For decades, exercise was considered an optional part of cancer care\u2014something beneficial for general health but not essential. The evidence is now overwhelming: exercise is not just supportive\u2014it\u2019s a therapeutic intervention that recalibrates tumor biology, enhances treatment tolerance, and improves survival outcomes. With over 600 peer-reviewed studies, Dr. Kerry Courneya\u2019s work has fundamentally reshaped our [\u2026]<\/p>\n","protected":false},"author":692,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,1495,224],"tags":[],"class_list":["post-207890","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-health","category-science"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/207890","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/692"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=207890"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/207890\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=207890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=207890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=207890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}