Do Men Take Estrogen? Uses, Risks, and Effects
Men do take estrogen in certain medical contexts. Learn why it's prescribed, how it affects the body, and what risks to consider.
How to Remove Fat Pads on Face, Chin, and Knees
A practical guide to fat pad removal options for the face, chin, and knees, including what works, what doesn't, and the risks worth knowing.
How to Remove Algae From a Water Bottle Without Bleach
Vinegar, baking soda, and hydrogen peroxide can all remove algae from your water bottle safely and effectively — no bleach needed.
How Do Neurotransmitters Work in the Brain?
Learn how neurotransmitters send signals between brain cells, what happens when that process goes wrong, and why the same chemical can have very different effects.
Does Acne Stay Forever or Eventually Go Away?
Acne often fades after adolescence, but for some it lingers into adulthood. Learn what influences how long acne lasts and when treatment makes a difference.
What Does Meth Addiction Look Like? Key Signs
Learn to recognize the physical, behavioral, and cognitive signs of meth addiction, from dental decay to paranoia and memory loss.
What’s in Smelling Salts? Ingredients and Effects
Smelling salts rely on ammonia gas to trigger an alert response in your body. Learn what's inside them, why athletes use them, and when they may cause harm.
What Does the U Wave Represent on an ECG?
The U wave is a small but informative ECG deflection linked to potassium levels and heart health. Learn what it means when it's prominent or inverted.
What Does a Prostate Exam Do and What Can It Find?
Learn what a prostate exam involves, what conditions it can detect, and when to start screening based on your age and risk factors.
Can You Tell Baby’s Gender at 12 Weeks?
At 12 weeks, some methods can hint at baby's sex, but accuracy varies. Here's what ultrasounds, blood tests, and nub theory can realistically tell you.