Foxglove wrote:Quotes from a work of fiction (if that offends anyone, let's just call it "not scientifically validated") have no place whatsoever in any document about science. That article is more like a blog post - referencing books, true, but no actual legitimate studies.
These are the citations relevant to the male performance section:
18)  Allen NE.  Hormones and diet: low insulin-like growth factor-I but normal bioavailable androgens in vegan men.  Br J Cancer. 2000 Jul;83(1):95-7.
19)  Feldman HA.  Erectile dysfunction and coronary risk factors: prospective results from the Massachusetts male aging study. Prev Med. 2000 Apr;30(4):328-38.
20)  Bodie J.  Laboratory evaluations of erectile dysfunction: an evidence based approach. J Urol. 2003 Jun;169(6):2262-4.
21)  Walczak MK  Prevalence of cardiovascular risk factors in erectile dysfunction.
J Gend Specif Med. 2002 Nov-Dec;5(6):19-24.
22)  Rozati R .  Role of environmental estrogens in the deterioration of male factor fertility.  Fertil Steril. 2002 Dec;78(6):1187-94.
23)  Duarte-Davidson R.  Polychlorinated biphenyls (PCBs) in the UK population: estimated intake, exposure and body burden.  Sci Total Environ. 1994 Jul 11;151(2):131-52.
24)  Liem AK.  Exposure of populations to dioxins and related compounds.  Food Addit Contam. 2000 Apr;17(4):241-59.
I'm not familiar with the reputation of any of the journals involved, but they appear to be reasonably scientific to me....