Men working as painters and decorators who are exposed to glycol ethers are more likely to have poor semen quality, according to research carried out by scientists from the Universities of Sheffield and Manchester.
Sperm motility is an important factor in the fertility of men and the concentration of motile sperm per ejaculate has shown to be linked with conception. However, the size and shape of sperm (morphology) and the quality of sperm DNA are also important factors that may be affected by chemical exposure.
The researchers however did conclude that, apart from glycol ether, there are currently few workplace chemical threats to male fertility.
In additional to chemical exposure, the study looked at other non-chemical factors in the men’s lifestyle. The researchers discovered that men who had undergone previous surgery to the testicles or who undertook manual work were more likely to have low motile sperm counts, whereas men who drank alcohol regularly or wore boxer shorts were more likely to have better semen quality.
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Obese men should consider losing weight if they want to have children, a scientist told the 24th annual conference of the European Society of Human Reproduction and Embryology.
“We felt that it was possible that male overweight might contribute to fertility problems,” he said, “particularly since it is a known risk factor for problems in conceiving among women.” “Other studies have suggested an association between male obesity and increased DNA damage in the sperm, which can be associated with reduced fertility as well,” said Dr. Shayeb.
The semen analysis showed that the men in Group B, who had an optimal BMI (20-25, as classified by WHO), had higher levels of normal sperm than those in the other groups. They also had higher semen volume. There was no significant difference between the four BMI groups in sperm concentration or motility.
“There has been a significant rise in the numbers of men with poorer semen parameters in the industrialised world,” said Dr. Shayeb, “but this has not been reflected so far in male infertility. To compare male BMI in these two groups therefore seemed to us to be a logical next step.”
“Adopting a healthy lifestyle, a balanced diet, and regular exercise will, in the vast majority of cases, lead to a normal BMI. We are pleased to be able to add improved semen quality to the long list of benefits that we know are the result of an optimal body weight.”
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4. It is easily digested and instantly energizes body
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7. It cleanses body and bladder
8. It acts a good appetizer.