Introduction – World Alzheimer’s Day is observed on September 21 every year all over the world to raise awareness about the disease that is the most common form of dementia.

Alzheimer’s is a degenerative brain disease, which causes loss in memory and makes it difficult to think clearly. This brain disease is one of the most prevalent types of dementia that damage brain cells of human, which causes changes in the memory and erratic behavior. This brain disease sometimes led to the loss of several body functions. As per scientists, this brain disease may be caused by a combination of behavioral, environmental, and genetic factors, which impact the brain in most of the people. The main purpose of this day is to raise awareness of Alzheimer’s symptoms and risk factors among people all around the world.

German psychiatrist and pathologist, Alois Alzheimer has first diagnosed with this brain disease in a 50-year-old woman in the year 1901.  Generally, this brain disease starts gradually and progressively worsens. Difficulty in remembering events is one of the most common early symptoms of Alzheimer’s disease. In this disease, patients forget the name of their family members, place and also fail to identify their close friends. When this disease advances then it may cause several other symptoms including mood swings, behavioral problems, loss of motivation, and self-neglect.

Theme – The theme of World Alzheimer’s Day in the year 2021 is ‘’Know Dementia, Know Alzheimer’s’’ for campaign globally.

Significance – World Alzheimer’s Day is celebrated on September 21 annually is to discuss the importance of dementia and to debunk its myths. This day provides an opportunity for people to show how they can fight with these several challenges and help those people who are suffering from dementia. The main cause of Alzheimer’s disease is unknown but it disrupting the functions of brain cells and leads to harmful and extremely toxic events. This day aims to provide important information about Alzheimer’s disease. Forgetting several things is the main symptom of Alzheimer’s during the early stages. The main purpose of this day is to spread awareness of Alzheimer’s symptoms and risk factors among people worldwide.