ScienceInsights

A runny nose can have several causes, and the right relief depends on which one you're dealing with. Here's how to figure it out and feel better.

Salmon, sardines, shrimp—some fish are low in mercury and high in nutrients. Here's how to choose seafood that's safe and worth eating regularly.

Most foods don't cause baby gas through breast milk. Learn what actually might, like dairy and caffeine, and how to tell if diet is really the issue.

Practical cleanup tips after anal sex, covering your body, toys, and bedding, plus how to reduce irritation and prevent UTIs.

From 11 minutes to an hour, here's how much daily exercise you actually need depending on your health goals, age, and lifestyle.

Spinal cord stimulators vary in size depending on the model and components. Here's a look at how big the pulse generator, leads, and electrodes actually are.

Acupuncture may support weight loss by influencing hunger hormones, blood sugar, and brain signals — here's what the research actually shows.

Most knee replacements last 15–20+ years, but factors like age, weight, and activity level all play a role in how long yours will hold up.

Learn how breathing, movement, cold exposure, and diet can help regulate your nervous system and reduce chronic stress naturally.

Bug bite itch can last anywhere from hours to weeks depending on the insect. Learn what's normal, what helps, and when to see a doctor.