According to Dr. Rajeev Mehta, senior psychiatrist, Sir Ganga Ram Hospital, it is a type of dementia that affects thinking, memory and day-to-day behavior due to conditions that damage blood vessels and disrupt blood flow in the brain. Does.

"The burden of cognitive disease impairment due to vascular disease is high in India. It is important to note that in vascular dementia, memory loss or amnesia occurs in stages," Mehta said in a statement.

Research has shown that Viagra (sildenafil), which is mostly used for erectile dysfunction, has the ability to open up the microscopic blood vessels of the brain, thereby improving blood flow and consequently improving memory loss.

According to an article in Science Direct, the burden of vascular contribution to cognitive impairment and dementia is quite high in India.

There are about 5.3 million dementia patients in India and it is estimated that about 40 per cent are due to vascular dementia.

Dr Jitendra Nagpal, Chairman, Institute of Mental Health, Moolchand Hospital, said further large multi-centred trials are needed to validate these findings. However, any benefits for people suffering chronic pain from such dementia would be a welcome step in cognitive recovery.

“In addition to increasing age, vascular dementia can also occur with stroke, in which the blood supply to part of the brain is suddenly stopped or reduced. This damages brain cells and eventually kills them. "There is a narrowing and blockage of small blood vessels inside the brain." Nagpal said.

In India, sildenafil is available in strengths of 25 mg to 100 mg and is commonly available at chemist shops, costing around Rs 25 per tablet.