Obese teenage boys have up to 50 per cent less testosterone than their leaner pals – increasing their risk of infertility in later life, a study has found.
Researchers said the results were a ‘grim message’ for overweight young adults.
The study by scientists at the University at Buffalo in the U.S shows for the first time that obese young men aged 14 to 20 have around half the total testosterone than normal weight youths. Read full article.
