ScienceInsights

Most headaches clear up on their own, but duration can signal something serious. Learn what's normal for common headache types and when to see a doctor.

Arthritis is treated by a rheumatologist—a specialist in joint and autoimmune conditions. Learn what they do and what to expect at your first visit.

Yellow fever vaccine costs $150–$350 out of pocket since insurance rarely covers it. Here's where to get it and how to avoid last-minute fees.

Learn how pregnancy is divided into three trimesters, why weeks are counted before conception, and what full term actually means for your baby.

Wegovy is designed for long-term use, but cost, safety, and what happens if you stop all shape how long most people stay on it.

Swallowing semen is generally low-risk, but STI transmission is a real concern. Here's what the science says about safety, allergies, and common myths.

Anxiety attacks trigger real physical changes in your body. Here's what's actually happening and how to calm down faster.

Learn what diabetic foot changes actually look like, from skin and nail changes to ulcers and circulation issues, plus how to check your own feet.

Itching during menopause is common and has real causes, from falling estrogen to skin changes. Here's what's behind it and how to find relief.

From exercise and diet to saunas and supplements, here's what the evidence says actually improves circulation and what's just noise.