Biology Insights

Celiac disease can cause bone loss, infertility, and other serious complications beyond gut symptoms — even without obvious signs.

The PHQ-9 is a 9-question tool doctors use to screen for depression. Learn what it measures, how scores are interpreted, and what it can and can't tell you.

Academic burnout is more than feeling tired of studying. Learn the signs, causes, and research-backed ways to recover your motivation and wellbeing.

High cholesterol is more nuanced than your total number suggests. Learn which markers actually predict risk and what treatment realistically does.

mRNA vaccines train your immune system using genetic instructions. Learn which ones exist, how they work, and what's coming next for flu, cancer, and more.

Simple, practical techniques to help you poop more easily and comfortably, from posture fixes to gentle massage and natural triggers.

SkinCeuticals claims medical-grade status, but what does that label actually mean? Here's what the science and marketing really tell us about the brand.

Herpes outbreaks can't be cured, but antiviral medications and lifestyle changes can shorten them and reduce how often they happen.

BV's fishy odor comes from bacterial imbalances in the vagina. Learn why it smells the way it does, what makes it worse, and how treatment helps.

Liver cancer isn't as rare as many think. Learn who's most at risk, why it's often caught late, and when screening makes sense.

Forehead pimples often trace back to hair products, friction, or hormones. Learn what's triggering yours and which treatments actually clear them up.

Learn which everyday foods raise your cholesterol and get practical tips for making heart-healthier swaps without overhauling your diet.

Undifferentiated schizophrenia was removed from the DSM-5. Here's what it meant, why the subtype system changed, and what that means for diagnosis today.

Dystonia causes involuntary muscle contractions that can affect movement and daily life. Learn how it's diagnosed and what treatments can help manage it.

Hives can ease quickly with the right steps. Learn how antihistamines, cool compresses, and trigger avoidance help calm itchy skin and prevent flares.

Learn how asbestos fibers damage the lungs, which diseases they cause, and what steps to take if you think you've been exposed.

Diverticulitis ranges from mild and manageable to a medical emergency. Learn how doctors assess severity and what symptoms mean you need urgent care.

Your fertile window lasts about six days each cycle. Learn how to track it using cervical mucus, temperature, and ovulation tests.

Norovirus is miserable but usually manageable at home. Here's how to stay hydrated, ease symptoms, and keep it from spreading to others.