Biology Insights

Taking Lexapro? Certain medications and supplements can cause serious interactions, including serotonin syndrome. Here's what to avoid and why.

Learn what to eat before a football game, from your main meal hours before kickoff to quick snacks and hydration tips that help you perform your best.

Testing too early can lead to false negatives. Learn when pregnancy tests are actually reliable and how to get the most accurate result.

Scaly skin can stem from dryness, psoriasis, or other conditions. Learn what causes it and which moisturizers, ingredients, and habits actually help.

Soothe razor burn fast and prevent it from coming back with better shaving habits and the right products for your skin.

Ice, antihistamines, and the right creams can calm mosquito bite swelling quickly. Here's what actually works and what to skip.

Diarrhea is a common side effect of amoxicillin. Learn why it happens, when to worry, and how probiotics and other strategies can help.

Type 1 diabetes develops when the immune system attacks insulin-producing cells. Learn how genes, viruses, and environment play a role.

Protein shakes can support muscle growth, weight loss, and healthy aging — here's what the science actually says about their benefits.

Most periods last 2 to 7 days, but age, birth control, and health conditions can all shift what's normal for you.

At 4 months, babies grow fast. Learn what most babies can do physically, socially, and cognitively, plus how to support healthy development.

Coffee Mate powder contains hydrogenated oils, corn syrup solids, and additives. Dietitians break down whether it's a health concern for daily coffee drinkers.

A negative Cologuard result is reassuring, but it doesn't mean zero risk. Here's what it actually tells you and what to do next.

A tilt table test can help diagnose conditions like POTS, vasovagal syncope, and orthostatic hypotension that cause dizziness or fainting.

Guilt tripping is a form of emotional manipulation. Learn how to recognize it, why people do it, and how to respond without losing your boundaries.

Morning after pills range from free to $50+, depending on brand, insurance, and where you get it. Here's what to know before you buy.

Hunger can make you irritable, snappy, and hard to be around. Learn why it happens and simple habits to keep hanger from affecting your mood and relationships.

Most home pregnancy tests work best from the day of a missed period, though timing, test sensitivity, and hCG levels all affect accuracy.

Chest colds are typically contagious for 3–10 days, depending on whether the cause is viral or bacterial — even if your cough sticks around longer.