You have had a cold for five days, and your nose is so stuffy you cannot smell anything. When you have your coffee, it seems like it has no taste. What is the most likely reason for this?

When one is having a stuffy nose and lacks the ability to know the taste of what he is eating as in this situation. The basic thing to do in order to savour taste is simply to exhale or breathe the aroma of the food taken through the nose.

Once this is done there will be a feel of taste again.

Explanation:

see Answer.

B. DIET

Explanation: The other factors are benefits of exercise. Diet is the only variable that isnt a benefit.