ask-the-doctor
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.
Soil, water, and food processing can all introduce Listeria into everyday foods. Learn who is most vulnerable and how to reduce risk.
Very low vitamin D levels may prompt your doctor to prescribe a short regimen of high-dose vitamin D pills before switching to a lower daily dose. See how this approach boosts stores safely.
An unusually low LDL result on a screening exam can be puzzling. Learn when small numbers reflect benefit and when they might signal a hidden problem.
Mild sinus or ear infections don’t necessarily mean delaying vaccination. Learn when to wait on your flu shot and how fast protection builds.
As a sunken chest becomes more noticeable with age, shortness of breath, stamina limits, and heart or lung compression may emerge.
From red wine to ice cream, everyday favorites can spark headaches in some people. Learn how to spot your personal food-related headache triggers.
Persistent loose stools that don’t improve with more fiber may signal more than a simple diet issue. Explore what might be going on.
Cold baths and ice packs may feel instinctive when a fever hits, but most cases call for a different approach.
Tiny air sacs can stretch, rupture, and form bubbles inside the lung. Learn how this damage develops and how smoking can contribute.