Biology Insights

Learn which antifungal treatments actually clear athlete's foot and the simple habits that keep it from coming back.

Learn how to tell internal and external hemorrhoids apart, when bleeding is a concern, and what causes symptoms to flare up.

Squid is packed with protein and nutrients, but frying changes the picture. Here's what you should know about calamari and how to enjoy it more healthfully.

Boron citrate is a common supplement form of boron that may support bone health, hormones, and cognition. Here's what the science says.

Sexual coercion and rape share blurry legal boundaries. Here's how the law defines consent, coercion, and when pressure becomes a crime.

Shingles rashes follow a distinct pattern that changes over days. Learn how to recognize it across skin tones and tell it apart from similar-looking rashes.

Wellbutrin is an antidepressant, not an antipsychotic. Learn how it works, what it treats, and how it differs from antipsychotic medications.

Fetal macrosomia means a baby is larger than average at birth. Learn what causes it, how it affects delivery, and what it means for your baby's health.

Vertigo can involve several specialists depending on the cause. Learn which doctor to see first and when to seek care from an ENT, neurologist, or physical therapist.

Cialis treats erectile dysfunction, enlarged prostate, and pulmonary hypertension. Learn how it works, how long it lasts, and key side effects to know.

Age regression isn't always harmful. Learn when reverting to childlike behaviors is a healthy coping tool and when it might signal something worth addressing.

True intimacy goes beyond physical connection. Learn how vulnerability, listening, and small daily habits can build deeper bonds in your relationships.

Most people with oral herpes never get cold sores, yet HSV-1 spreads easily. Learn how common it is, how transmission works, and what affects outbreaks.

Brain damage isn't always permanent. Recovery depends on injury severity, type, and timing, with rehabilitation playing a key role in regaining function.

Varivax is the chickenpox vaccine recommended for children and some adults. Learn how it works, when to get it, and what side effects to expect.

Carrots can fit a keto diet in small amounts, but their carb count adds up fast. Here's what to know and what to eat instead.

Curious how your baby's length compares? Explore average growth by month, what shapes a baby's height, and how pediatricians track development.

Unisom products use two different active ingredients depending on the formula. Learn how doxylamine and diphenhydramine work and what sets them apart.

Learn what causes GI bleeding, from peptic ulcers and diverticular disease to hemorrhoids, and which warning signs mean you should seek care right away.