What Vitamins Are Good for Healthy Hair Growth?
Iron, biotin, vitamin D, and zinc all play a role in hair health, but supplementing only helps if you're actually deficient.
What Type of Pathogen Is Lyme Disease: Spirochete
Lyme disease is caused by a spirochete, a corkscrew-shaped bacterium with unique traits that help it spread through ticks and evade the immune system.
What to Do for Diaper Rash Pain and Help It Heal
Learn how to soothe diaper rash pain, choose the right barrier cream, and help your baby's skin heal within a few days.
What Shots Do You Get at 13? Tdap, HPV, and More
At 13, teens typically get Tdap, HPV, and meningococcal vaccines. Here's what each one does and what to expect.
How Many Times Should You Have Sex Per Week?
Research suggests once a week is a reasonable benchmark, but age, health, and relationship dynamics all shape what's normal for you.
How to Break Down a Kidney Stone: Your Treatment Options
From passing small stones naturally to surgery for larger ones, here's how doctors choose the right kidney stone treatment for you.
Foods to Eat for Healthy Hair Growth and Thickness
The nutrients your hair actually needs to grow thicker and stronger, plus how long it takes to see results from changing your diet.
What Does a Nasal Infection Feel Like? Symptoms
Nasal infections cause more than a stuffy nose. Learn how facial pressure, tooth pain, and fatigue help distinguish sinusitis from a common cold.
What to Do With an Allergic Reaction: Mild to Severe
Learn how to recognize mild vs. severe allergic reactions and what steps to take, from antihistamines to epinephrine and beyond.
What Does Blood Plasma Do for Your Body?
Blood plasma does far more than carry red blood cells. Learn how this pale liquid transports nutrients, fights infection, and keeps your body in balance.