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.
Red flags: See your physician if you have sudden hearing loss. In rare circumstances, this could be the sign of a tumor pressing on the auditory nerve. Other uncommon causes include syphilis, Lyme disease, autoimmune disorders and thyroid disease.