US researchers have found that impotence pill Viagra may help prevent as well as treat Alzheimer’s disease.

How Viagra can help to reduce risk of Alzheimer’s disease?

The researchers said the findings mean sildenafil, commonly used to treat erectile dysfunction and a type of high blood pressure, should be studied as a possible treatment for Alzheimer’s.

Around 5.8 million Americans live with the disease, according to the CDC, and despite its prevalence, there is no cure. Its causes are not fully understood and there are few treatments.

Viagra was originally been marketed as a drug for the heart but swiftly became known as a cure for erectile dysfunction.

Originally meant to treat the heart, Viagra’s ability to relax blood vessels and subsequently improve blood flow in other parts of the body led to its use for ED as well as pulmonary hypertension.

Though the exact causes of Alzheimer’s, a type of dementia, are still being probed, it’s known that those who have it have abnormal protein deposits in their brains, BBC reports.

How Long Does Viagra Last In Your System?

Viagra is one of the most popular and effective drugs in the U.S.