Covid may up risk of developing Alzheimer's disease among the older.

ISLAMABAD -- Older people who were infected with Covid-19 show a substantially higher risk -- as much as 50 per cent to 80 per cent higher than a control group -- of developing Alzheimer's disease within a year, warns a new study.

The study, published in the Journal of Alzheimer's Disease, indicated that people 65 and older who contracted Covid-19 were more prone to developing Alzheimer's disease in the year following their Covid-19 diagnosis. And the highest risk was observed in women at least 85 years old.

The findings showed that the risk for developing Alzheimer's disease in older people nearly doubled (0.35 per cent to 0.68 per cent) over a one-year period following infection with Covid-19, Medical Daily reported.

"The factors that play into the development of Alzheimer's disease have been poorly understood, but two pieces considered important are prior infections, especially viral infections, and inflammation," said researcher Pamela Davis from the Case Western Reserve University, US.

"Since infection with...