Vision changes such as increased sensitivity to light, blurred vision, or trouble telling blue and green colors apart may also occur
Sildenafil works by helping to relax the blood vessels in the penis, allowing more blood to flow in and cause an erection
Viagra even has been tried as a treatment for sexual dysfunction in women
Some people may refer
O n June 21, the U
Food and Drug Administration (FDA)
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Viagra is best known for triggering erections, but several studies have suggested that the drug may lower the risk of Alzheimer's disease