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A comment on Persistent erectile dysfunction in men exposed to finasteride, or dutasteride. Parent comment

Re:Persistent erectile dysfunction in men exposed to finaste... by laichzeit0 on Saturday March 18, 2017 @01:50AM (#13900097)
The criterion of PED is also vague. It's basically asking people do they think their dicks are broken. There's enough guys going on Noporn/Nofap routines because they couldn't get it up one night with a girl because they're so used to watching porn and jerking off that real sex is too weird, and one bad experience and now they're convinced they have ED.

If you tell a guy suffering from baldness that there's "a good chance you're gonna break your dick if you drink this pill" you've already biased your study. Blind study is the only way.

I'm not suggesting there is no risk, at this point the numbers are just a joke. This study is another example of how to NOT to do it.

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Re:Persistent erectile dysfunction in men exposed to finaste... by throwaway6111 on Saturday March 18, 2017 @02:00AM (#13900131)
They're also just doing analysis on a static data set.

> PED was determined by manual review of medical narratives for all subjects with ED. Risk of an adverse effect was expressed as number needed to harm (NNH).

So this doesn't rule out the possibility of the subjects' mental state affecting their ED.

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