Cortisol and testosterone operate on a seesaw. When one goes up, the other tends to go down. Here's what 5 peer-reviewed studies reveal about chronic stress, the HPA-HPG axis, and what you can actually do about it.
The internet says fasting increases testosterone by 180%. Some studies say the opposite. We reviewed 6 peer-reviewed studies to find out what the research actually proves.
Most men optimizing testosterone skip zinc entirely. That's a mistake — the research on what deficiency actually does to your hormones is some of the most direct evidence in men's health.
One drink won't tank your testosterone. But the research on chronic drinking, binge drinking, and even moderate regular consumption tells a more complex story than most men realize.
Cold exposure is everywhere right now. Influencers swear it raises testosterone. Some studies suggest the opposite. Here's what the peer-reviewed research actually shows about cold water immersion, hormones, and what it's actually good for.