To get a healthy body do regular exercise like yoga, swimming, skipping, push ups, sit ups etc. Avoid fast foods, junk foods, processed foods, sugar, sweetened juice. Eat more whole fruits, vegetables. Take yogurt, dates. Eat protein rich foods like fish like tuna, egg, cottage cheese, lean meat, peanut, soy products etc. Use good fats like fish oil, olive oil, refined vegetable oil, flax seed, pumpkin seed, almond, walnut etc. Eta whole wheat, whole grain, oats bran, brown bread, brown rice etc, drink lots of water. Avoid smoking, alcohol. Proper rest and stress free life.