Quote:
Originally Posted by sammyboyfor
All drugs have side effects if you don't need it don't take it.
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true...
we produce Pde5 and I am not sure what is the long term effect of inhibiting this enzyme
after all
: PDE5 helps control blood flow to the pulmonary arteries. By stopping PDE5 from working, PDE 5 inhibitors (ie sildenafil and tadalafil) cause the blood vessels to relax."