Major League Baseball will test players' blood for human growth hormone during the season starting this year, becoming the first American sport to do so and continuing the league's stand against ...

Jennifer Wirth is a professional writer and SEO specialist with a focus on health, wellness, parenting and beauty. She holds a bachelor’s degree in chemical engineering and is passionate about ...

Do you know what your hormone levels are? Should you? Your body is home to more than 50 hormones — chemical messengers that compose the endocrine system — and hormonal changes may reflect any number ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Testosterone does more than drive puberty. It influences drive ...