Melatonin Shrinks Testicles & Ovaries: Hamster-Sized to Rice Grains?

Earlier this year while listening to podcasts about sleep and insomnia, I stumbled upon the neuroscientist Andrew Huberman of the “Huberman Lab” podcast who discussed melatonin with Matthew Walker (sleep neuroscientist). While discussing melatonin, Huberman stated that he personally avoids it in part due to studies showing that melatonin significantly shrinks testicles and ovaries of …

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