The Times of Israel on MSN

New study shows that female sex hormones can impact the body’s inner clocks

Weizmann Institute researchers say that progesterone and the stress hormone cortisol drive circadian rhythms; when out of ...
Psychology Today

Hormones Determine Sex More Than Genetics

Most people assume that our genes determine the characteristics that make males and females distinct from each other: sex organs, secondary sex characteristics, personality, behavior, and even ...