Posted by: 4pack | February 18, 2010

“Obesity Update”: Sperm Quality For Men Can Be Improved By Losing Weight

NOW WE ARE GETTING PERSONAL…TALK ABOUT GIVING REASONS TO BE IN IDEAL SHAPE….SPERM QUALITY AND THE ABILITY TO REPRODUCE…NOW DROP AND GIVE ME 50 PUSHUPS….

“… it might be possible for an obese man to improve his sperm quality by shedding some weight. Research has shown that weight loss can reverse the imbalance in reproductive hormones that is linked to obesity, she noted.”

“Because the incidence of obesity is growing,” they write, “it is expected that the number of obese men with reduced fertility will increase as well.”

Studies have come to conflicting conclusions as to whether obesity impairs a man’s fertility. But several recent ones have found that obese men tend to have poorer quality sperm than leaner men do — including lower sperm counts and fewer progressively motile sperm, which refers to sperm that swim forward in a straight line rather than moving about aimlessly.

In the new study, published in the journal Fertility and Sterility, researchers from Argentina evaluated semen samples from 749 men who were each part of a couple seeking help for fertility problems.

They found that the 155 obese men tended to have fewer motile sperm and fewer rapidly moving sperm than their normal-weight and overweight counterparts.

Obese men also had generally lower levels of neutral alpha-glucosidase, or NAG — an enzyme secreted into the fluid of the epididymis, which is a structure at the back of the testes where sperm mature and acquire their motility.

http://www.reuters.com/article/idUSTRE61G55620100217

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