Anyone on the list know the answers to any of the following questions re the new anti-impotentcy medication, Viagra ? 1. Is some degree of impotentcy a symptom of PD ? 2. If so, is there any experience that Viagra is beneficial in reducing the symptom ? 3. Is Viagra contraindicated for PD medications? 4. If so, which ones 5. Have the answers to any of these questions appeared in earlier notes on the list Thanks in advance for whar input you have.