Because of its rapid loss of genes over the past 300 million years, scientists have predicted that the Y chromosome may disappear altogether. However, recent studies have shown that the decay may have reached a halt.
A recent study in the New England Journal of Medicine reported that GARDASIL®, the quadrivalent human papilloma virus (HPV) vaccine, which is currently administered for cervical cancer prevention in women, is also effective in preventing anal cancer in men.