Category: ask-the-doctor

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.

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

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

Coffee, tea, and soda all contribute to daily caffeine intake. Too much could affect miscarriage risk, as well as the baby's size.

Some people lose weight quickly on fewer calories while others barely budge. Learn how differences in energy use might be working against you.

Last year’s spring allergies were miserable. Learn when to begin antihistamines and nasal sprays so symptoms are blunted before pollen peaks.

A low HDL number can be worrisome even with normal cholesterol. Explore lifestyle shifts that may nudge your good cholesterol higher.

Blueberries are full of antioxidants, vitamins and fiber. But do they really stand above other fruits?

Portion size, flour swaps, healthy oils, spices, fruits, and nuts can all transform a typical muffin into a healthier treat. Explore simple tweaks that boost nutrition.

Regular blood donations can slowly drain iron stores, lowering hemoglobin levels. Iron supplements may help rebuild them.