date:May 26, 2015
Caffeine, which is found in coffee and tea, is consumed by more than 85% of adults and the study was intended to investigate the association of caffeine intake and the risk of erectile dysfunction.
The study found men who had had high intakes of caffeine (85 to 303 mg) were about 40% less likely to report suffering erectile dysfunction, compared with men who had 0 to 7 mg of caffeine per day.
An inverse association between caffeine intake and risk of erectile dysfunction was also found among ove