More than 80 percent of north americans suffer in their lifetime.

Back Pain

Explanation:

I believe that the answer you are looking for is going to be Depression.

Let me know if this is incorrect! Hope it helps!

C: keeping the meat in a refrigerator before cooking it.

Explanation:

The only safe way to defrost meat is inside the refrigerator, because the refrigerator prevents the growth of harmful microorganisms that would spoil the meat, or leave it with no quality, and may even cause food infection. Still, there is a deadline for meat to be stored in the refrigerator without spoiling. Ideally, meat should be refrigerated for two days after thawing. During this time, as long as it has not been removed from the refrigerator, it can be cooked or frozen again without any problem.