New Delhi, Sept. 20 -- Forgetting where you kept your keys. Struggling to remember someone's name during a conversation. Walking into another room and then wondering why you went there. These things happen to many of us, particularly as we get older. But these signs do not necessarily mean that a person has Alzheimer's disease. We have to understand when ordinary forgetfulness becomes something that needs medical attention.

Explaining this condition, Dr Kapil Agarwal, Director and HOD, Neurology, Shalby International Hospital, said, "According to the National Institute on Aging (NIA), occasional forgetfulness can be a normal part of aging. What raises concern is when memory or thinking problems begin to interfere with everyday life. Alzh...