Digestive Health Archive

Sudden fatigue or lightheadedness after a trip to the bathroom may reflect a vasovagal response. Or it may signal anemia, heart trouble, or other concerns.

A stubborn "lump in the throat" feeling can stem from postnasal drip, reflux, irritation, or even a small pouch in the esophagus. Explore possible causes.

A persistent salty taste in your mouth may stem from saliva changes, medications, dehydration, sinus issues, or reflux. It warrants a closer look.

Proton pump inhibitors can calm severe reflux and heal the esophagus, but long-term use raises questions about when and how to cut back safely.

Simple daily habits can shape your cancer risk. See which changes in weight, diet, exercise, and alcohol use may offer real protection.

A daily cough in someone who has used chewing tobacco for years raises concern about "smoker's cough" and other health problems.

Small spots on lung imaging can stem from old infections, irritants, inflammation, or cancer. Learn how doctors judge risk and decide on follow‑up.

From x-ray treatments to other imaging tests, not all radiation is equal. See which exposures worry thyroid experts and which don’t.

Heartburn often starts after a meal. It can create a burning sensation high in the abdomen, just below the bottom of the breastbone, or underneath the middle of the breastbone in the chest. It can also include other symptoms.

The brain communicates with the gastrointestinal tract through a connection scientists call the gut-brain axis. Evidence suggests that when the gut is irritated by triggers such as infection, stress, food, allergies, alcohol, or heredity, the resulting inflammation could influence mood.