Researchers say doing this could improve your sex life

It might make men wince a little though...

Updated: 

Men who had vasectomies reported having more sex and a better sex drive, according to German researchers. But is a snip too far for better sex? Find out more in the video above.

See also: Seven things that wreck your sex drive - and how to get it back

See also: Which nationality make the best lovers in the world?