Spending More Time Outside May Help Keep Testosterone Levels Healthy
Researchers looked at data from over 2,000 American men to see if spending time outdoors affects testosterone levels. They found that men who spent more time …
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How Boys' Bodies Change During Puberty: New Growth Charts
Researchers in India measured how boys' bodies develop from ages 5 to 20, focusing on two key changes during puberty: testicular size and a hormone called …
Read MoreVitamin D Levels May Affect Body Fat and Hormones in Older Adults
Researchers studied over 2,400 older Chinese adults to understand how vitamin D levels connect to sex hormones and body composition. They found that most older …
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