ScienceInsights

Smelly gas comes down to sulfur-producing gut bacteria. Learn what's normal, which foods make it worse, and when it might be worth a doctor's visit.

Medicare Part D isn't free for most people, but costs vary widely. Learn what affects your premium and how to reduce what you pay.

Scratching can be a form of self-harm. Learn why people use it to cope, how it differs from skin picking, and what actually helps.

Red light therapy results aren't permanent, but some benefits last longer than others. Here's what to expect and how often you'll need sessions.

Learn what commonly triggers AFib episodes, from alcohol and sleep apnea to dehydration, and how to identify your own personal patterns.

ABA therapy uses specific techniques like reinforcement, prompting, and task analysis to teach skills. Here's what each method involves and how they work together.

Surgical residency ranges from 5 to 7 years depending on your specialty, and fellowships can add even more time before independent practice.

Certain foods like oats, beans, nuts, and fatty fish can meaningfully lower LDL cholesterol. Learn what to eat and how long it takes to see results.

Many STDs cause no obvious symptoms. Learn what signs to watch for in common infections like chlamydia, herpes, and HIV, and when to get tested.

Constipated and need relief now? Learn practical techniques like squatting positions, warm drinks, and abdominal massage that can help you go faster.