No, the release of sperm does not cause the body’s weight to decrease. There is no scientific proof that sperm release, whether from sexual intercourse or masturbation, causes weight loss. Despite the fact that having sex can raise heart rate and burn some calories burned mastrubating, the number of calories burned is typically insignificant and cannot significantly affect body weight. Weight loss is a complicated process that can be facilitated by a balanced diet and regular exercise to create the calorie deficit required.