Sildenafil, aka Viagra, brings more to the table than we previously thought. Researchers at Oxford University can reveal that it enhances blood flow to the brain and improves the function of brain blood vessels in people at risk of vascular dementia. Vascular dementia is a common type of dementia. Reduced blood flow to the brain is a primary cause of it. The word “vascular” refers to anything related to the vessels of the body that carry blood – i.e., arteries and veins – and lymph. So anything that improves blood flow to the brain – however it achieves this – is a preventive against vascular …