Laptops, scrotal temperature and male infertility

[Guest guest]

Hi Are, & All,

 

> " Young men who use laptops may be well advised to keep them off

> their laps if they want to have children to e-mail someday, a new

> study suggests. " John O'Neil.

 

> This fact is now shown in a great survey here in Norway. Are

 

Are, I could not find a reference to the NORWEGIAN study. What

is the URL / reference?

 

I did find a new paper on the same topic, from USA: " Increase in

scrotal temperature in laptop computer users " by Yefim Sheynkin

1*, Michael Jung 1, Peter Yoo 1, David Schulsinger 1, and Eugene

Komaroff 2 at http://tinyurl.com/5s3ag

 

Medline [ http://tinyurl.com/3w9xl ] has 937 hits for the profile:

(heating OR hyperthermi* OR temperature) AND (scrot* OR testic*

OR testes) AND (sperm OR spermat* OR fertility OR infertility)

AND (Male OR men)

 

In human males, tha fabric of underpants is important. Some

fabrics (polyester, nylon) generate electrostatic charges which can

reduce spermatogenesis. 100% cotton underpants produce no

electrostatic charge. See: http://tinyurl.com/6onvd

 

Also, underpants that are too tight bring the scrotum tight to the

body wall, or underpants that are very warm (insulating) raise

scrotal temperatures. Either can increase testicular temperature

and reduce sperm counts.

 

Finally, as part of treating male infertility due to oligospermia, to

ensure lowest possible scrotal temperature, advise them to wear

loose, 100% cotton, slit-underpants (rather than Y-fronts), and to

sit with their thighs apart, rather than with thighs closed. (Closed

thighs do not allow scrotal heat to disperse effectively..

 

PS: Sheep farmers have known for >100 years that tying a ram's

scrotum tightly to his body with a thick flannel scrotum-warmer

reduces sperm counts. This effect was reversible by removing the

scrotal warmer about 6 weeks ahead of the start of the breeding

season.

 

 

Best regards,

 

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