A study has suggested that soda consumption may increase testosterone levels and testicle size in men. The study, conducted by researchers at the Northwest Minzu University in China and published in ...

Men who have smaller testes are more likely be better dads to their toddlers, according to a study published in The Proceedings of the National Academy of Sciences. Researchers from Emory University ...

A link between the size of a father's testicles and how active he is in bringing up his children has been suggested by scientists. Researchers at Emory University, US, said those with smaller ...