Doctor offers food fixes for common ailments

If you're feeling grumpy or tired, it's not always because you haven't gotten enough sleep. It might be an iron deficiency. Or those little cracks at the corner of your mouth could mean you need more vitamin B2 in your diet.

There are numerous mild physical complaints that don't require a visit to the doctor. The solution can be as basic as eating more bananas, spinach or peanuts.

On TODAY Friday, cardiologist Dr. Nieca Goldberg of the Joan H. Tisch Center for Women's Health in New York suggests some simple changes in your diet that can alleviate some common ailments such as stomach upset.