We also know that within normal ranges, testosterone levels are not strongly predictive of aggression. In the amygdala, a ...

The Wegovy pill is expected to hit the market in January, joining injectable GLP-1 drugs that have transformed obesity treatment. One form you swallow, the other you inject. What else is different?

Hot flashes, night sweats and fatigue often get the spotlight, but there can be several other surprising signs of menopause — ...

New research suggests that a man’s hormone levels may alter how he responds to social injustice directed at women. The study indicates that testosterone influences whether men punish those who treat ...

Botox can cause temporary redness, swelling, tenderness, or bruising at the injection site. You may get flu-like symptoms like fever, body aches, or nausea after Botox. Botox may cause headaches, ...