Usually, diarrhea is caused by a virus that infects the gut. Some people call it intestinal flu or stomach flu.. It can also happen due to: 1  Alcohol abuse. 2  Allergies to certain foods. 3  Diabetes. 4  Diseases of the intestines (such as Crohn's disease or ulcerative colitis). 5  Eating foods that upset the digestive system.
You are allowed to continue working and still receive Social Security benefits. However, if you are under full retirement age, you are limited in the amount you can earn. In 2011, that amount is $14,160. If you are under full retirement age, then you will have to repay $1 for every $2 year earn over that limit.
Qualifying for Social Security. Workers do not automatically qualify for Social Security retirement benefits. They must work and pay a minimum in Social Security taxes for at least 40 quarters (10 years) during their working lives if born in 1929 or later. These 40 quarters need not be consecutive.