Viagra and other impotence pills may perk up the brain and reduce the risk of Alzheimer's disease by up to 18 per cent, a study found.
Men who took the little blue pills for erectile dysfunction had increased brain activity and were less likely to develop dementia in later life.
Researchers found the drugs, originally developed for treating high blood pressure, can get into the brain and trigger cell signals closely linked to memory.
ED is usually treated with phosphodiesterase-5 (PDE5) inhibitor drugs, including sildenafil (Viagra, pictured) and tadalafil (Cialis), 시알리스구매사이트 which increase blood flow to the penis
Dr Leah Mursaleen, head of research at Alzheimer's Research UK, said: ‘Developing drugs for diseases like Alzheimer's is a costly process and can take many years.