ScienceInsights

A 7-week ultrasound can reveal a lot, but results vary. Here's what's normal to see—and not see—this early in pregnancy.

Practical ways to raise low blood pressure, from staying hydrated and adjusting your diet to knowing when to see a doctor.

Left buttock pain is often caused by tight muscles or nerve issues. Learn which stretches help, how to manage it daily, and when to see a doctor.

Five-year-olds need 10 to 13 hours of sleep, but knowing the signs of too little and how to build a solid routine makes all the difference.

A science-backed look at female orgasm, including physical signs, ejaculation, types of stimulation, and the emotional experience.

Most adults need about 90 minutes of REM sleep per night. Learn what affects it and how to get more of it.

Insurance can cover most of your CPAP costs, but there's a compliance rule that could leave you paying the full bill. Here's what to expect.

Mouth ulcers can stem from stress, diet, injuries, and more. Learn what commonly triggers them and when to see a doctor.

Most home pregnancy tests need at least 3 weeks after unprotected sex to give an accurate result. Here's why timing matters and when to test.

Increased vaginal discharge is common during pregnancy. Learn what normal looks like, when to be concerned, and how to stay comfortable.