3 Comments

  1. chloe b says:

    Sildenafil(Viagra) has been shown to remain effective for at least 0.5–3 years in controlled and uncontrolled studies. Although such experience suggests that the drug can be used throughout life in sexually active men if clinically indicated.
    The causes of erectile dysfunction may be physiological or psychological. Psychological impotence can often be helped by almost anything that the patient believes in; there is a very strong placebo effect.

  2. byron101540 says:

    The was one study that calimed that after 3 years of use, Viagra
    doesn’t work anymore, At that point nothing else does either.

    It’s not a final study, but enough to ?? everything

  3. John Doe 1st says:

    I would imagine that a person could get used to anything that they liked and used over a period of time. That doesn’t mean it’s a bad thing.

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