Biology Insights

Mono usually clears up in a few weeks, but fatigue and other symptoms can linger much longer. Here's what a realistic recovery actually looks like.

Sore muscles don't have to slow you down. Learn practical recovery strategies, from light movement to cold water, that actually help.

Dizziness can stem from inner ear issues, dehydration, low blood sugar, and more. Learn what's likely behind your symptoms and when to see a doctor.

Azelastine nasal spray is now available without a prescription. Here's what you need to know about using it safely and how it stacks up against other allergy options.

From sleep position to antacids, here's what actually helps with acid reflux and when it's time to see a doctor.

Classic Alka-Seltzer contains aspirin alongside its antacid ingredients, making it more than just a stomach remedy. Here's what to know before you use it.

Chiropractic coverage varies widely by plan. Here's what Medicare, Medicaid, private insurance, and HSAs typically cover and what to expect out of pocket.

Derealization can last minutes or years depending on the cause. Learn what affects how long it lasts and what helps it resolve.

Benazepril is an ACE inhibitor used for blood pressure, kidney protection, and heart failure. Learn how it works, side effects, and dosing.

Learn which foods and drinks are rich in electrolytes, when supplements make sense, and how to spot signs that your levels may be off.

Mushrooms pack protein, fiber, B vitamins, and rare antioxidants into very few calories. Here's what you're actually getting nutritionally.

Persistent nausea can stem from digestive issues, medications, hormones, or anxiety. Learn what's likely causing yours and when it's time to see a doctor.

Not all headaches are the same. Learn what tension, migraine, and cluster headaches feel like, what triggers them, and when to see a doctor.

Most people get far less lutein than research suggests is useful. Here's how much to aim for, which foods deliver it, and what's considered safe.

Learn how to wear and fit your mask properly, from N95s to cloth masks, so it actually does its job when it matters.

Nuts support heart health, blood sugar, weight, and more. Here's what the research says and how much to eat each day.

Corn itself is gluten-free, but some corn products aren't. Learn which ones are safe and where hidden gluten can show up.

Hair loss has many causes beyond genetics, from DHT and hormones to stress, diet, and even your hairstyle. Here's what's actually behind it.

Foot swelling is often manageable at home with elevation, movement, hydration, and a few simple habits — plus signs it's time to see a doctor.