As I get older, it takes longer to get hard again after orgasm/ejaculation. Are there any studies about shortening the refractory period? Are there any effective treatments such as exercises, herbs, medications, etc.?
As I get older, it takes longer to get hard again after orgasm/ejaculation. Are there any studies about shortening the refractory period? Are there any effective treatments such as exercises, herbs, medications, etc.?