Total Bilirubin Blood Test: Normal Range and High Levels
High bilirubin can signal anything from a harmless genetic quirk to liver disease. Learn what your test results actually mean and what causes levels to rise.
How Long Are You Contagious With a Cold: Key Days
Most people are contagious with a cold for about 7 to 10 days, with the first 2 to 3 days being the most infectious period.
Why Does One of My Balls Hurt? Causes Explained
Testicle pain has many possible causes, from minor injuries to infections and torsion. Here's how to tell them apart and when to see a doctor.
What Is the Umbilical Cord Attached To: Both Ends
The umbilical cord connects to the baby's navel on one end and the placenta on the other, carrying blood and nutrients between them throughout pregnancy.
How to Choose the Best Medicare Advantage Plan
Learn how to pick a Medicare Advantage plan that fits your doctors, medications, and budget before open enrollment closes.
What to Do If You’re Prediabetic: Diet, Exercise & More
A prediabetes diagnosis doesn't mean diabetes is inevitable. Learn how diet, exercise, sleep, and small lifestyle shifts can help reverse it.
What Kind of Drug Is Alcohol? A CNS Depressant
Alcohol is a CNS depressant, not a stimulant. Learn how it affects your brain, why it feels energizing at first, and how dependence develops over time.
What Ticks Carry Lyme Disease and How It Spreads
Learn which ticks spread Lyme disease, how to identify them, and what to do if one bites you.
Is 5,000 mcg of Biotin Too Much? Side Effects & Risks
5,000 mcg of biotin is unlikely to harm you, but it can throw off blood test results. Here's what the science actually says about high-dose biotin.
Risks of Binge Drinking: Blackouts, Liver, and More
Binge drinking affects more than just your liver. Learn how a single heavy night can impact your heart, brain, immune system, and cancer risk.