rinking coffee in the morning seems to have become a habit to many people. And according to the study, drinking black coffee in the morning can make male sperm more active.

For coffee addicts, a cup of coffee in the morning may boost the spirit and enthusiasm for having activities all day long.. Not only that, a study conducted by the University of Sao Paulo, Brazil, found that drinking black coffee in the morning is also beneficial for male fertility.

The results have been published in the Journal of the American at the Society for Reproductive Medicine conference in San Antonio, said that black coffee can make sperm swim faster and increase male fertility.

Research group studies from the University of Sao Paulo said that men who regularly drank a cup of coffee every morning to have sperm that can swim more agile than men who never drank coffee in the morning, as reported by iscco.org, Thursday (02/24/2011) .

The study was conducted in 750 men who will do a vasectomy (surgical contraception for men) and divided into four groups based on the amount of coffee consumed.

Four groups are groups that do not drink coffee, light coffee drinkers (between 1-3 cups of coffee per day), coffee drinkers (between 4-6 cups a day) and heavy coffee drinkers (more than 6 cups per day), with scale size of 100 ml cup.

As a result, participants who drank regular coffee each day (1-3 cups of coffee per day) have a much better quality sperm than men who do not drink coffee.

According to the researchers, the content of caffeine in coffee can help the sperm swim faster than sperm sample, to help improve the process of IVF (in-vitro fertilization), the method of fertilization outside the womb.

Excessive coffee drinking can increase stroke due to damage to blood vessel walls. In pregnant women can increase heart rate, attack the placenta, into the blood circulation and a more severe can cause death.