Scandinavian cardiovascular journal : SCJ2024n = 2,575
CohortHuman
This study followed 2,575 Finnish men aged 42 to 61 for a median of 27.8 years and asked whether sauna habits change how dangerous high blood pressure is. Over that…
Journal of sleep research2024n = 21
RCTHuman
This study set out to measure how the amount of caffeine in the blood tracks with sleep depth and heart activity. Twenty-one healthy young men took either 160 mg of…
Journal of clinical medicine2024
Narrative ReviewHuman
This narrative review argues that a man's fertility is a readable signal of his health generally, not just of his ability to father a child. The reasoning runs like this:…