https://www.summa.health/blogs/knowledge/the-role-functions-of-cortisol-in-the-body 2023-04-12T15:32:26+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/20230111-HELMI-TAKING-THE-TEST-mv.jpg?v=1681301471 The role & functions of cortisol in the body https://www.summa.health/blogs/knowledge/the-role-functions-of-testosterone-in-the-body 2023-04-12T15:17:21+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Eamon-IMG_1287_bw.jpg?v=1681301752 The role & functions of testosterone in the body https://www.summa.health/blogs/knowledge/why-should-athletes-monitor-their-hormones-over-longer-periods 2023-04-12T17:28:46+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/20230306-IMG_3550-high.jpg?v=1681309670 Why should athletes monitor their hormones over longer periods? https://www.summa.health/blogs/knowledge/what-is-the-purpose-and-value-of-monitoring-the-testosterone-to-cortisol-ratio 2026-09-28T13:46:12+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/running_71d068b8-9c19-458d-ba95-f3f2b0351b92.jpg?v=1790592372 What is the purpose and value of monitoring the testosterone-to-cortisol ratio? https://www.summa.health/blogs/knowledge/average-free-testosterone-and-cortisol-levels-in-elite-athletes 2024-01-03T12:21:48+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/blog1_fa68fbbe-bf68-42ee-861e-36bff9611df4.jpg?v=1695365775 Average free testosterone and cortisol levels in elite athletes https://www.summa.health/blogs/knowledge/anabolic-hormone-monitoring-vs-heart-rate-variability-monitoring 2024-01-03T12:20:37+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/blog2_2e22319a-a9cc-40a5-9dce-2c9cc8e914d4.jpg?v=1695365250 Anabolic hormone monitoring vs. Heart Rate Variability monitoring https://www.summa.health/blogs/knowledge/hormonal-dynamic-range-as-a-monitoring-tool 2024-01-03T12:20:22+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/blog3.jpg?v=1695366300 Tracking hormonal dynamic ranges as a method of performance monitoring https://www.summa.health/blogs/knowledge/a-microcycle-with-successful-supercompensation 2026-09-28T13:30:30+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/blog4_bb4251ba-e8a9-423f-9bd3-a26e59915039.jpg?v=1790591430 A microcycle with successful supercompensation https://www.summa.health/blogs/knowledge/magnitude-and-time-delay-in-hormonal-responses-to-load 2026-09-28T10:50:32+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/blog5_a5d7d08e-df64-44f5-bfe8-41487a363e90.jpg?v=1790581832 Magnitude and time delay in hormonal responses to load https://www.summa.health/blogs/knowledge/understanding-free-testosterone-and-cortisol-levels-in-athletes 2026-09-28T13:44:51+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/blog6_080e0788-8c39-4503-9d57-fdf8fa8d1ea0.jpg?v=1790592291 Understanding the Impact of Free Testosterone and Cortisol on Athletic Performance https://www.summa.health/blogs/knowledge/the-impact-of-physical-exertion-on-hormonal-response 2026-09-28T13:33:45+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/blog17_cfb3cf02-bd6a-47a4-8998-f4d906233328.jpg?v=1790591625 The Impact of Physical Exertion on Hormonal Response https://www.summa.health/blogs/knowledge/the-peaks-in-the-testosterone-to-cortisol-ratio 2026-09-28T10:59:02+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/IMG_8797_b2c901fd-1319-47a5-a2d7-68d0a6df8bd3.png?v=1790582342 Understanding Peaks in the Testosterone to Cortisol Ratio https://www.summa.health/blogs/knowledge/anabolism-and-catabolism-the-yin-and-yang-of-athletic-performance 2026-09-28T11:07:43+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/yinyanggym_f0580949-badb-412d-acdb-a365ce85f6e2.jpg?v=1790582863 Anabolism and Catabolism: The Yin and Yang of Athletic Performance https://www.summa.health/blogs/knowledge/saliva-as-a-source-of-biomarkers 2026-09-28T09:26:12+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/mouth2_f51da2aa-4533-45d2-a112-6e71b6d647c2.jpg?v=1790576772 Saliva as a source of biomarkers https://www.summa.health/blogs/knowledge/principles-of-electrochemical-sensing 2026-09-25T12:03:10+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/abstract_36841640-740b-4318-b799-1bb696fb8d7d.jpg?v=1790326990 Principles of electrochemical sensing https://www.summa.health/blogs/knowledge/combining-serial-hormone-biodata-and-contextual-information 2026-09-28T10:57:08+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/ice-swimm_21105921-4bd0-4149-acf0-f994b8807a9a.jpg?v=1790582228 Combining serial hormone biodata and contextual information https://www.summa.health/blogs/knowledge/why-monitor-testosterone-and-cortisol 2026-09-28T13:44:07+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Tes-Cor-Ratio_7938b3ec-858e-4f54-8914-589049aeb2b6.jpg?v=1790592247 Out of all the hormones, why monitor free testosterone and free cortisol? https://www.summa.health/blogs/knowledge/summa-labs-collaboration-wyss-institute-at-harvard 2026-09-28T13:31:21+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Summa-Analyzer-hd_210cfebc-55c5-4453-bac5-14c111aaddc3.jpg?v=1790591481 Summa Labs x Wyss Institute at Harvard Advancing Saliva-Based Hormone Monitoring and Its Applications: Summa Labs Collaborates with Wyss Institute to Develop an Immunoassay for Testosterone and Cortisol Measurement https://www.summa.health/blogs/knowledge/summa-anabolic-mapping 2026-09-25T12:02:21+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Anabolic-Map-Illustrative2_13a41573-45b9-434a-a019-8c8b88ed1f35.jpg?v=1790326941 Summa Anabolic Mapping: Visualizing Your Recovery https://www.summa.health/blogs/knowledge/free-testosterone-understanding-its-role-in-performance-and-recovery 2026-09-28T09:29:57+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/2percent_415cd526-78c5-42df-b2c4-32b58e1e7226.jpg?v=1790576997 Free Testosterone: Understanding Its Role in Performance and Recovery https://www.summa.health/blogs/knowledge/the-impact-of-workweek-stress-how-recovery-activities-can-help-5 2026-09-25T11:31:07+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/01-square-sb_32df8da9-5a15-4d43-89c8-8ca0799f26f5.jpg?v=1790325067 The Hidden Load: How Workweek Stress Shows Up in Cortisol https://www.summa.health/blogs/knowledge/what-happens-to-the-t-c-ratio-after-intense-training-blocks 2026-09-28T09:24:45+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/t_c_ratio_blog_e5c0da78-d6eb-4e6c-9b2a-a85d92c28357.jpg?v=1790576685 What happens to the T/C ratio after intense training blocks? https://www.summa.health/blogs/knowledge/free-testosterone-ft-free-cortisol-fc-partners-in-adaptation 2026-09-28T13:43:08+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Screenshot_2025-04-29_at_23.13.54_500e53ee-8e2a-491c-8dfd-97ad314804cf.png?v=1790592188 Hormonal Synergy: How free testosterone and free cortisol work together https://www.summa.health/blogs/knowledge/free-not-total-why-the-hormones-we-measure-matter 2026-09-28T09:27:20+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/photo-free-hormones_5d249d1a-fd73-4c6b-8a3b-84ffc0f07ca5.png?v=1790576840 Free vs. Total Hormones: Why Bioavailability Matters for Athletes https://www.summa.health/blogs/knowledge/the-big-three 2026-09-28T13:42:29+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/big3-t_c-ratio_6c1c6265-ec0e-47ec-8d8a-3c1cb20baca1.jpg?v=1790592149 The Big Three: Free Testosterone, Free Cortisol, and T/C Ratio Explained https://www.summa.health/blogs/knowledge/endurance-vs-strength-how-hormones-behave-differently-and-why-the-same-number-can-mean-the-opposite 2026-09-28T11:06:52+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/gym-t_c-ratio2_052c2199-737c-40a9-8930-0f6da21ce585.jpg?v=1790582812 Endurance vs. Strength: Why Your Hormones Tell a Different Story https://www.summa.health/blogs/newsroom/summa-labs-partners-with-world-champion-luca-urlando-for-longitudinal-biomarker-tracking 2026-03-05T17:37:30+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Urlando_L_hero_1095278_52110369-8c4a-415f-a5f2-17c49661b2f6.webp?v=1772725049 Summa Labs partners with World Champion Luca Urlando for longitudinal biomarker tracking https://www.summa.health/blogs/newsroom/tracking-resilience-the-finnish-u17-women-s-national-team-adopts-the-summa-platform 2026-03-05T18:53:18+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Eerikkilahalli_27.5.2022-002_6a0e52ee-2108-4de1-8cc4-6244a94e5277.jpg?v=1772729598 Tracking resilience: The Finnish U17 Women’s National Team adopts the Summa platform https://www.summa.health/blogs/newsroom/australian-professional-basketball-player-maddie-garrick-summa-research-platform 2026-03-05T19:49:58+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Screenshot_2026-03-04_at_20.05.21_b523352a-8e9c-417f-b06b-7e310bd4afd7.png?v=1772732998 Australian professional basketball player Maddie Garrick adds the Summa research platform to her training regimen https://www.summa.health/blogs/newsroom/club-tigres-initiates-pilot-phase-to-validate-the-summa-platform-in-elite-football 2026-03-05T19:50:15+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/El_Tigres_x_Summa_Labs_d8cf274a-d1e3-460b-8847-9f38e53e8548.jpg?v=1772733015 Club Tigres integrates the Summa research platform to monitor load and hormones in elite football https://www.summa.health/blogs/newsroom/starlab-space-and-summa-are-concepting-the-research-platform-to-monitor-holistic-load-in-microgravity 2026-03-05T17:36:57+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Summa_Labs_x_Starlab_09483757-eda2-44df-8f75-a458a9b42500.jpg?v=1772725017 Starlab Space and Summa are concepting the research platform to monitor holistic load in microgravity https://www.summa.health/blogs/newsroom/mika-laine-joins-summa-labs-to-accelerate-global-expansion-in-biomarker-driven-performance-analytics 2026-03-09T16:44:16+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Mika-Laine_4db63499-8eaf-4038-b09e-f13fdb282d31.jpg?v=1773067456 Mika Laine joins Summa Labs to accelerate global expansion in biomarker-driven performance analytics https://www.summa.health/blogs/newsroom/summa_labs_strategic_update_2026 2026-03-10T10:52:46+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Announcement_7c9123c1-3499-4dae-a421-a1f353dd5845.jpg?v=1773132766 +$20M to scale, +50 Patents, major M&A, and the anatomy of winning: Summa Labs strategic leap into 2026 https://www.summa.health/blogs/newsroom/dr-timo-aittokoski-joins-summa-labs-to-advance-biomarker-driven-performance-intelligence 2026-03-10T02:06:06+02:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/timo-16-9_8b0d4a2c-0c26-4f23-be75-e14e257172ed.jpg?v=1773101166 Dr. Timo Aittokoski joins Summa Labs to advance biomarker-driven performance intelligence https://www.summa.health/blogs/knowledge/beyond-the-total-number-why-free-testosterone-is-the-real-driver-of-vitality 2026-09-28T10:55:56+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/Day1_09e686c3-879a-4f40-8258-92863160a10c.jpg?v=1790582156 Beyond the "Total" Number: Why Free Testosterone is the Real Driver https://www.summa.health/blogs/knowledge/the-science-of-the-functional-overreaching 2026-09-28T09:25:26+03:00 weekly https://cdn.shopify.com/s/files/1/0604/4018/3020/articles/post-15-square_489a69ed-b7e5-4be5-99f9-5e0006abc7ea.jpg?v=1790576726 The Science of the functional overreaching