Harvard Health Content API

Tendonitis, bursitis, frozen shoulder, and Charcot joint can all strike people with diabetes. They mimic arthritis but have different causes.

Asthma, allergies and pneumonia are more connected than you might think. See how airway inflammation and certain medications can affect your risk.

A lung nodule on imaging can stem from scars, infection, or cancer. Learn how doctors judge the risk and decide between watching, testing, or removal.

Tongue swelling can stem from drug reactions, infections, vitamin deficits, thyroid issues, or rare disorders. Learn which clues help sort out the cause.

Learn how vitamin K affects the blood thinner warfarin, and how to keep your diet on track.