Tobacco smoking is a well known major cause of many health problems, including lung cancer, emphysema and heart disease. But there is another reason to QUIT! Smoking cigarettes also reduces your fertility — heavy smokers produce up to 20 per cent fewer sperm, and it may increase the number of abnormally shaped sperm, making it harder for sperm to fertilise the egg. Drinking alcohol is a part of daily life for some people and drinking in moderation is not harmful to fertility.
The effects of alcohol on your fertility have been rigorously studied and the results are in: Alcohol and Your Penis The association between drinking too much and not being able to.. During arousal, the more blood that can rush to your penis, the stronger it will be. Normally, this occurs when the veins that transport blood out of the penis are constricted, trapping the blood in the penis. While drinking too much every so often can lead to dilation of the blood vessels, drinking too, much too often can lead to the opposite problem: Alcohol and Your Hormones Drinking too much over a long period of time can also impact your testosterone production. Alcohol also damages your testosterone producing Leydig cells.
How much am I drinking? How does alcohol affect sperm count and sperm quality? Alcohol can be extremely harmful to the male reproductive system. It is toxic to the testicles and affects the all-important cells that are involved in making sperm and producing the male hormone testosterone. It also seems to affect hormone production at the level of the hypothalamus and pituitary gland in the brain.
Even drinking lightly can reduce the chance of pregnancy. Heavy drinking increases the time it takes to get pregnant and reduces the chances of having a healthy baby. It is not clear how drinking small amounts of alcohol affects unborn babies but it is well known that drinking high amounts can be harmful.