Mãn d?c nam x?y ra khi nam gi?i b? thi?u h?t l??ng hormone testosterone. Do ch? ?? sinh ho?t không khoa h?c ho?c tu?i tác. Sau tu?i 30 ho?c 40, l??ng hormone c?a nam gi?i gi?m kho?ng 1% m?i n?m.· You just ought to make the most of this program for about 10 times Before you begin to notice physiological difficulties as well as a recognizable adv