Biology Insights

Doctors weigh in on masturbation frequency, its effects on testosterone and fertility, and how to tell if your habits are healthy.

Swelling is often harmless, but it can sometimes signal something serious. Learn what causes it, how it progresses, and when to seek medical care.

Learn how Alcoholics Anonymous works, what to expect at a meeting, and what the research says about its effectiveness for recovery.

Bradycardia is a type of arrhythmia, but a slow heart rate isn't always a problem. Learn the types, causes, and when treatment is needed.

Implantation bleeding is common in early pregnancy. Learn what it looks like, how it differs from a period, and when to take a pregnancy test.

Frequent burping is usually caused by swallowed air or diet, but sometimes signals a digestive condition. Learn what's behind it and how to reduce it.

Seizures carry real risks to the brain, heart, and daily life. Learn what makes them dangerous and when they become a medical emergency.

Asbestos causes serious diseases, but risk depends on fiber type and exposure level. Learn what makes it harmful and where people still encounter it today.

Tantric healing draws on ancient Hindu and Buddhist traditions. Here's what sessions actually involve, how it differs from neo-tantra, and what research says.

Gingivitis is reversible with the right habits. Learn which home treatments actually help and how long it takes to see healthier gums.

Learn how pheochromocytoma is diagnosed through urine and blood tests, imaging scans, and genetic testing, and what to expect at each step.

From breathing exercises to therapy and sleep, here are evidence-based ways to manage anxiety and find relief that actually fits your life.

Learn which vitamins actually support energy production and help reduce fatigue, and how to know if a deficiency might be affecting how you feel.

Traumatic grief goes beyond normal mourning. Learn what sets it apart, who's most vulnerable, and the treatments that can help people heal.

Practical ways to reduce gas, from adjusting your diet and eating habits to supplements and when to see a doctor.

Trolamine salicylate is a topical pain reliever found in many OTC creams. Learn how it works, what the evidence says, and how it compares to alternatives.

Learn how to calculate resting energy requirements for dogs, cats, and humans using standard formulas and adjust daily calories for your pet's life stage.

Ambien CR helps you fall and stay asleep through a two-layer design. Learn how it differs from regular Ambien, dosing by sex, and key side effects.