Grapefruit varieties are red, pink or white in color and may come with seeds or may be seedless. Its size may vary from four to six inches round. The red and pink colored grapefruits have higher calories compared to the white. Also, the larger fruits have more calories than the smaller ones.
Summary. 1  Loss of appetite can cause fatigue due to low calorie intake and nutrient deficiency. 2  Fatigue means being constantly tired. 3  It may be a sign of an underlying health condition if youâre feeling fatigue, loss of appetite, and other symptoms such as vomiting and bloating.
Chronic fatigue can also cause widespread muscle aches. This is because your body is not getting the rest it needs so daily activities put an excessive amount of stress on the body. You may notice pain in the joints and muscles as well as tender lymph nodes, sore throat or headaches.