Drinking Coca-Cola and Pepsi might increase testicle size and testosterone production, a new study has found. Researchers at the Northwest Minzu University in China set out to determine the impact of ...

Men take note, fish oil can boost sperm count and even increase testicle size, a new study has revealed. The research, published in JAMA, found men who regularly took fish oil supplements for 60 days ...

Drinking Coca-Cola and Pepsi could increase testicle size and testosterone production, a new study has suggested. Researchers at the Northwest Minzu University in China carried out a fresh study, ...

Testicle size does not matter for monogamous birds, who have traded in big testes for other traits like colourful plumage and dancing displays, a study has found. The researchers analysed the largest ...

A United States study measuring fathering habits and testicle size suggests that bigger may not be better when it comes to the day-to-day raising of small children. The research involved 70 American ...