Category: health-letter

Why does the nose run in cold weather?

My doctor advised me to start taking an 81-mg aspirin once a day. I am a physically active 62-year-old and have been a vegetarian – mostly vegan – for 35 years. I’d really rather not take aspirin. Am I being foolish in questioning my doctor’s advice?

I have started noticing more coconut oil at the grocery store and have heard it is better for you than a lot of other oils. Is that true?

Is it true that we use only 10% of our brains?

What causes bags and puffiness around the eyes and dark circles underneath them?

I have a bad case of seborrheic keratoses on my back and chest. What can you tell me about this skin problem?

I recently had a nuclear stress test and the contrast agent got stuck in my gut, so the image couldn’t be read. Is this a common problem, and is there anything that can be done about it?

The editor in chief of the Harvard Health Letter introduces the 2011 edition of a special issue comprised entirely of “Ask the doctor” letters from readers.

Colon cancer is highly preventable, and many factors influence a person’s risk. Diet and exercise, unsurprisingly, factor heavily.

A five-year study funded by the National Institutes of Health hopes to determine whether vitamin D and omega-3 fats have an effect on rates of cardiovascular disease or cancer.