ScienceInsights

From prescription ED meds to supplements and lifestyle changes, here's what actually works for erectile dysfunction and what to skip.

Practical ways to ease toothache pain at home, plus what's likely causing it and when to see a dentist right away.

Small red spots on skin can range from harmless cherry angiomas to signs of infection. Learn what different types look like and when to see a doctor.

Long grain rice has real nutritional value, but variety, cooking method, and arsenic levels all affect how healthy it actually is for you.

The lumbar spine has 5 large vertebrae built to carry your body's weight, but anatomy varies—and some levels are far more injury-prone than others.

Gynecomastia isn't always linked to low testosterone. Learn what actually causes it, how estrogen plays a role, and when it's considered completely normal.

Swollen mosquito bite? Ice, hydrocortisone, and a few other remedies can ease the itch and puffiness fast — plus what to avoid and when to see a doctor.

Learn which symptoms may point to MS, how doctors confirm a diagnosis, and what steps to take if you're concerned about your symptoms.

From saline rinses to OTC medications, find out which remedies actually relieve post-nasal drip and when it's time to see a doctor.

Learn how long to fast, what you can drink, and what might affect your blood sugar test results before your next lab visit.