A newly discovered feedback loop involving estrogen may explain why women might become dependent on nicotine more quickly and with less nicotine exposure than men. The research could lead to new ...

This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: ADHD and menopause symptoms can overlap, and one ...

WASHINGTON -- Scientists may be learning why it's so hard to stop the cycle of violence. The answer may lie in the nervous system. There appears to be a fast, mutual, positive feedback loop between ...

Let’s be honest: we live in a world that loves grit. Keep going, don’t give up, power through — those are the messages ...