Viagra may help to lower the risk of Alzheimer’s disease, study finds

Research by UCL, which examined medical records of 260,000 men with erectile dysfunction, has provided food for thought'

After a decades-long and largely fruitless hunt for drugs to combat Alzheimer's disease, an unlikely candidate has raised its head: the erectile dysfunction pill Viagra.

Researchers found that men who were prescribed Viagra and similar medications were 18% less likely to develop the most common form of dementia years later than those who went without the drugs.