Answer: Essential body fat is about 3% for men and 12% for women. However, research suggests that for best health and fitness men's body fat should range between 10-18%, and the women's range is 15-23%. Being over-fat, or having a high ratio of body fat to lean body mass, is associated with a higher risk for chronic disease.
MMR vaccine can be associated with risk of twitches in babies which is lower between 12-15 months of age. After that time risk of twitches is getting higher.