Yoghurt is known to strengthen your immune system- one portion a day is good especially for those who suffer from Osteoporosis while low- fat curd is great for people who have high cholesterol levels. The bacteria found in curd helps you digest food well. Experts say that its consumption reduces the risk of high blood pressure. Other benefits include treating constipation and inflammatory bowel disease. Since it is rich in calcium, yogurt is good for your bones and teeth. The proteins in curd are good for your skin, nails and eyes