Praising a new study by University of Oxford researchers, who found that the Viagra drug, also called Sildenafil, has the potential to prevent dementia (memory loss), Delhi-based doctors on Sunday said that this is a pathbreaking trial linking "Sildenafil with improvement in vascular dementia". 

According to Dr. Rajeev Mehta, Senior Psychiatrist, Sir Ganga Ram Hospital, is a type of dementia that affects thinking, memory and day-to-day behaviour due to conditions that damage blood vessels and disrupt blood flow to the brain.