Where Can Stem Cells Be Found in the Body?
Stem cells exist in more places than you might expect, from bone marrow and fat tissue to teeth, skin, and even the gut lining.
What Should the Food Worker Do to Keep Food Safe?
Food workers play a key role in preventing foodborne illness. Learn the everyday habits that keep food safe, from handwashing to proper storage.
What Is a Transplant? Organs, Donors and Rejection
Learn how organ transplants work, from finding a donor match to why the body sometimes rejects new tissue and how doctors manage it.
Where Do Golden Lion Tamarins Live in Brazil?
Golden lion tamarins live only in Rio de Janeiro state, Brazil, within the fragmented Atlantic Forest. Learn about their habitat, protected areas, and space needs.
What Is a Train Derailment and Why Does It Happen?
Train derailments range from minor slowdowns to costly disasters. Learn what causes them, why hazardous cargo matters, and how railroads work to prevent them.
Where Does Your Chest Hurt With Pneumonia?
Pneumonia chest pain often feels sharp and worsens with breathing. Learn where it typically occurs and how to tell it apart from heart-related pain.
Which Antidepressant Has the Least Side Effects?
Different antidepressants carry different risks. Learn which options tend to cause fewer side effects and how to find the right fit for your needs.
What to Do When Your Wisdom Tooth Is Growing In
Wisdom teeth coming in? Learn what's normal, how to ease discomfort at home, and when it's time to see a dentist.
What Stage of Dementia Is Wandering? Signs & Safety
Wandering most often begins in the middle stage of dementia. Learn the early signs, what triggers it, and practical ways to keep your loved one safe.
Why Are Some Potato Chips Green and Are They Safe?
Green potato chips aren't just discolored — they contain solanine, a compound that can cause nausea. Here's what to know and when to toss them.