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Keith
Prostate cancer would be pretty unlikely in our paleolithic forebears.
Regardless of the lower life expectancy of all people before 1900AD (and
thus low level of cancer until they had the opportunity to live long enough
to get it), it appears that prostate is influenced by phytosterols which are
high in Paleo diets because of large variety of fruit and veges and
especially root veges. The USDA charts show root vegetables have huge
amounts of phytosterols- yet they have been studiously ignored by the world
of nutrition as turnips are still boring!

This ref also shows the profound effect of essential fatty acids on 5 alpha
reductase- the enzyme that boosts testosterone in hormone responsive areas
such as scalp, prostate, chest etc. The prostate and baldness drug
finasteride (Proscar Propecia) ahs a similar effect.

Essential fatty acids are of course of primordial importance and are
involved in numerous hormonal and regulatory pathways. I personally have
little doubt that the omega 6 oil glut has been bad for our prostate glands.

So you can just change to olive oil, eat lots of fish and root vegetables.

Cheers
Ben



> -----Original Message-----
> From: Evolutionary Fitness Discussion List
> [mailto:[log in to unmask]]On Behalf Of Keith
> Thomas
> Sent: Wednesday, 30 July 2003 6:49 PM
> To: [log in to unmask]
> Subject: [EVOLUTIONARY-FITNESS] Masturbation reduces incidence of
> prostate cancer
>
>
> To reply to a digest, insert the relevant message header; don't
> reply to the digest header
> -------------------------------------------------------------
>
> There was extensive (but not sensational) coverage given in the UK and
> Australian press (radio and newspapers) to sound research findings
> indicating that men who ejaculate more frequently than average in their
> 20s experience significantly less prostate cancer in later life.
>
> Here is a URL to one of the stories:
>
> http://www.abc.net.au/worldtoday/content/2003/s904609.htm
>
> Earlier researchers, it seems, had been asking the wrong question,
> confining their quantification to the frequency of sexual intercourse
> which, as most men who have been through their 20s will know, is not the
> most frequent occasion for ejaculation.
>
> This makes a lot of sense to me and is likely to have been used in Paleo
> times before we were riddled with the guilt established religions load
> onto masturbation.
>
> I have drawn the attention of my two sons (in their 20s) to the articles.
>
> Keith
>
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