ScienceInsights

Swollen feet can often be relieved at home with elevation, compression socks, and a few simple habits. Here's what actually helps and when to see a doctor.

Severe back pain usually has a treatable cause. Learn what's likely behind yours and what actually helps.

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.

Struggling with your skin? Hormones, diet, sleep, and your skincare routine all play a role. Here's what's likely going on and how to fix it.

Most people can go up to a week without a bowel movement before it becomes a medical concern, but the timeline varies by age and health.

Learn what strep, mono, oral thrush, and other common throat conditions actually look like so you can better understand your symptoms.

Learn about the most common allergy types, from pollen and food to insect venom, and how doctors identify what's triggering your symptoms.

Most people with ALS die from respiratory failure, but nutrition, pneumonia, and cardiac factors also play a role. Here's what the progression typically looks like.

Prediabetes can often be reversed with modest lifestyle changes. Learn how weight loss, diet, exercise, and sleep can bring your blood sugar back to normal.

Mosquito bites vary widely in size and severity. Learn what's normal, what causes bigger reactions, and when a swollen bite needs medical attention.