Vitalism holds that life is powered by a special force beyond chemistry. Here's what that idea means, where it came from, and why it still shows up in health today.
Temperament shapes how babies respond to caregiving, but research shows parenting sensitivity still plays the bigger role in building secure attachment.
Chlamydia discharge can vary by sex and infection site. Learn what to look for in men, women, and rectal infections, and how it differs from gonorrhea.