Sex once or twice a week, not cold

U.S. study found that having sex every week 1 or 2 times of sexual intercourse between man and very few people compared to the body's immunity to cold greatly increased, because the body of the antibody immunoglobulin A little sex is much higher than the number of people.
This immunoglobulin A from B lymphocytes manufacture antibodies to the human body is not only the antibody, one of the most important and widely distributed in the body, built to work together to resist the invasion of the natural barrier of disease, the human body, therefore the number of immunoglobulin A more , the stronger immune system.
However, the sex is not better, if more than 2 times per week, the body of immunoglobulin A antibodies will significantly decrease the number, which will not achieve the role of prevention of influenza. In addition, the human body the secretion of immunoglobulin A levels and the duration of lovemaking and sexual satisfaction are not directly related.