Biology Insights

Degenerative joint disease stems from aging, weight, genetics, and past injuries. Learn what actually breaks down cartilage and why joints wear out over time.

Herpes sores look different depending on location and stage. Learn what oral and genital outbreaks typically look like and how to tell them apart from other skin conditions.

Learn what's actually causing your hairline to recede and which treatments—from minoxidil to transplants—have real evidence behind them.

Polycythemia vera treatment ranges from regular phlebotomy to medications like hydroxyurea, depending on your risk level and symptoms.

Twisted your ankle? Learn how to tell a sprain from a fracture and what to do in the days and weeks after to heal well.

Learn what the G-spot actually is, how to find it, and which techniques and toys make stimulation more likely to lead to orgasm.

Rectal prolapse has several root causes, from pelvic floor weakness to neurological conditions. Learn what leads to it and how it's treated.

Learn easy ways to add chia seeds to your daily meals, from pudding to egg replacements, plus how much to eat and how they affect digestion.

Practical, evidence-based steps to reduce compulsive masturbation, from identifying triggers to therapy, support groups, and building healthier habits.

A celiac panel checks for specific antibodies in your blood to help diagnose celiac disease. Learn what the tests measure and what your results mean.

Soy and pea milk come out on top nutritionally, but the best milk alternative really depends on your diet, age, and what you're looking for.

Stool color can signal anything from what you ate to a health issue worth checking. Here's what green, yellow, black, red, and pale poop actually mean.

Learn how HIV affects the immune system, progresses through three stages, and how modern treatment helps people live long, healthy lives.

Low carb diets can help with weight and blood sugar, but the long-term effects on heart health and kidneys are more complicated than you might think.

Gum disease does more than damage your teeth — it's linked to heart disease, dementia, and pregnancy complications. Here's what the research shows.

Pepto-Bismol's active compound splits into two parts that each fight stomach trouble differently. Here's what's actually happening in your gut.

Self-love is more than a buzzword. Learn what it actually means, how it affects your brain and mental health, and simple ways to strengthen it.

Botox is more common than you might think. Here's who's getting it, what it costs, and why its popularity keeps climbing.

Peas have a lower glycemic impact than many starchy foods, but portions still matter for blood sugar. Here's what diabetics should know.