WASHINGTON (Reuters) - Estrogen fuels feelings of power and competition in women in much the same way testosterone does in men, researchers said on Wednesday in a study that shows the need to win is ...

What Is Low Testosterone in Women? If your body doesn't get enough of a hormone called testosterone, you may have low levels. Testosterone can contribute to a lower sex drive. But how low testosterone ...

After a decade working as an obstetrician-gynecologist, Marci Bowers thought she understood menopause. Whenever she saw a patient in her 40s or 50s, she knew to ask about things such as hot flashes, ...

A new study out of Sweden appears to show a link between taking testosterone as part of gender-affirming care with changes in the immune systems of transgender men. As Scientific American reported, ...

The drugs block a child’s natural development during puberty, preventing the production of hormones, such as testosterone and estrogen. While the emergency ban on prescribing puberty blockers is set ...

CHICAGO - Older women who take hormone pills that combine estrogen and testosterone more than double their risk of breast cancer, according to a study of more than 70,000 nurses. "This type of hormone ...

This is read by an automated voice. Please report any issues or inconsistencies here. Most women grow up hearing about estrogen and progesterone like they’re the only two hormones steering the ship.

This article was reviewed by Felix Gussone, MD. Key Takeaways: Cholesterol is a key building block for testosterone. Through ...

For decades, scientists have known that men with unusually low blood levels of the male sex hormone testosterone (< 300 nanograms/deciliter of blood) suffer fatigue, depression, libido collapse, ...

Annalisa (Nalis) Merelli is a contributing writer at STAT focused on boys’ and men’s health. Exactly a month after it announced the removal of black box warning labels on estrogen therapy products ...