Biology Insights

No OTC product is FDA-approved for anxiety, but some supplements like L-theanine and ashwagandha have real evidence behind them. Here's what's worth trying.

What does science say about masturbation frequency? Learn how it affects prostate health, testosterone, sleep, and fertility — and how to find what's healthy for you.

Crying doesn't always signal depression, and depression doesn't always involve tears. Learn what your crying patterns might actually be telling you.

Chest congestion can make breathing miserable. Learn practical, evidence-based ways to loosen mucus and breathe easier at home.

Learn how to treat allergic reactions at home and when to use an epinephrine auto-injector for severe symptoms like anaphylaxis.

Practical ways to raise low blood pressure, from diet and hydration tweaks to compression garments and knowing when to see a doctor.

Men's mental health struggles often go unnoticed due to social norms, different symptoms, and systems not built for them. Here's what the research shows.

Itchy feet can stem from athlete's foot, eczema, allergies, or diabetes. Learn what's causing yours and how to find real relief.

A persistent itchy scalp usually has a specific cause, from dandruff to product reactions. Here's how to figure out what's behind yours.

Erectile dysfunction often stems from physical causes like poor blood flow, diabetes, or low testosterone, though lifestyle and emotional factors play a role too.

Learn how to treat dehydration at home with the right fluids and foods, and know when symptoms are serious enough to need medical care.

Pumpkin seed oil can be used in cooking, taken as a supplement, or applied to skin and hair. Here's how to get the most out of it.

Practical daily habits that can help adults with epilepsy reduce seizure frequency, from medication routines to sleep, diet, and stress management.

Learn to recognize inflamed tonsils by their color, spots, and coatings — and when what you see may signal something worth checking out.

Learn to spot dry skin by its visual signs, from mild flaking to severe cracking, and how it differs from dehydration and eczema.

From breathing techniques to CBT and medication, here's what the evidence says actually helps with anxiety.

APD treatment combines better listening environments, assistive devices, and daily strategies to help both kids and adults manage auditory processing challenges.

Razor bumps are common but manageable. Learn what causes them, how to soothe existing irritation, and how to adjust your shaving routine to prevent them.

Managing narcolepsy involves a mix of medications and daily habits. Learn how treatments for sleepiness, cataplexy, and sleep quality can help.