Although generally assumed to be safe, recent studies have shown that they have numerous side effects, cheap viagra online pharmacy from an altered gut environment and impaired nutrient absorption to an increased risk for cardiovascular events, kidney disease, and dementia. Erection problems are only in the head This is false! I will make sure to bookmark your blog and may come back at some point. Avoid use of dark-colored clothing, perfumes and colognes in the evening and at night.