3 threats of tobacco to men’s reproductive health

3 threats of tobacco to men's reproductive health 7
3 threats of tobacco to men's reproductive health 7

Many studies have shown that smoking can affect male fertility, especially sperm health, in many different ways.

Reduced sperm count, morphology and motility

Research results posted on the American Library of Medicine site about the relationship between smoking and male infertility, the authors compared 33 related studies on infertile smokers and found that: 30

Another study also posted on this site conducted on 2,105 men showed that sperm quantity, motility and morphology were significantly affected in smokers.

Although the above results are not certain about whether smoking causes male infertility, the American Society for Reproductive Medicine (ASRM) has confirmed that smoking can affect the basic semen parameters of men.

Increased sperm DNA fragmentation

The DNA fragmentation index (DFI) is the percentage of sperm DNA that is `fragmented`.

Smoking can reduce sperm count, morphology, and motility.

A study published in the American Library of Medicine showed that smokers have significantly higher levels of DNA fragmentation than non-smokers.

Although fragmented DNA in sperm can be linked to infertility, some men with this condition can still have children normally.

Changes in the epigenetic structure of sperm

Modern technological advances in DNA testing may make it feasible to use in patients as a fertility diagnostic tool.

Epigenetics can be thought of as additional information added on our DNA in response to the body’s environment.

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