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We’ve Got Testosterone Completely Wrong | Dr Channa Jayasena

October 26, 2026 · 42 min

Show notes

Do we really need to be so worried about our testosterone levels? And is it really the solution to all of our health problems?

In this episode I speak to reproductive health specialist Dr Channa Jayasena. We discuss testosterone, the myths around it and the latest in reproductive science!

Timestamps

(0:00) Intro - Are we really facing a low testosterone crisis?

(02:35) Why testosterone prescriptions have increased by 135%

(08:17) What your testosterone levels reveal about your overall health

(12:04) Testosterone, masculinity and the male body image crisis

(17:56) What are the real symptoms of low testosterone?

(21:26) Should healthy men get their testosterone tested?

(23:05) Does testosterone really decline as we age?

(26:25) What other factors can lower testosterone?

(30:31) Does testosterone replacement therapy mask underlying health problems?

(34:53) The dangers of peptides and hormone cocktails

(36:12) Can you naturally boost your testosterone?

(38:31) The health risks of taking testosterone you don't need

(40:06) Why testosterone levels don't tell you about sperm health

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Dr. Karan Rajan is a doctor, author, Founder of LOAM Science and Chief of Science at Throne Science, dedicated to making health and medical science accessible to all. Through evidence-based analysis, he addresses topics such as gut health, brain health, and healthy lifestyle choices, while dispelling common medical myths with a touch of dark humor.

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