Your doctor may use the words interchangeably — but bioidentical and synthetic hormones are not the same thing. The differences between progesterone and progestin, and estradiol and synthetic estrogen, could change everything about how you feel.

Lying awake at 3am with your heart racing? Feeling anxious for no clear reason? Progesterone is often the first hormone to drop in perimenopause — and its effects on sleep, anxiety, and bone health are frequently missed. Here's what you need to know.

You're not weak and you don't lack willpower. Yo-yo dieting creates a biological trap that makes weight loss harder every time. Here's what's really happening — and what actually works.