Women keep fast on various festivals. Fasting is usually associated with reverence and devotion. Some people find it causes weight loss. However, fasting has positive effects on health. Fasting causes loss of body fat. The fat cells release the luteinizing hormone, which results in weight loss. According to a research report conducted at the University of Southern California, the immunity of the body increases due to fasting. Fasting is beneficial for cancer patients. The report states that fasting is good for patients undergoing chemotherapy treatment. It removes impurities from the body. Similarly, it makes the body function normal. Fasting increases the body’s metabolic rate by 3 to 14 percent. It also reduces mental stress. The report indicates that fasting relieves various ailments.