- Alzheimer’s disease (AD): AD is the most common cause of dementia in the world. It is a degenerative disease of the brain and commonly affects older people.
- Brain strokes- Strokes occur due to a lack of blood supply to the brain. These occur in people with risk factors such as smoking, diabetes, high BP and high cholesterol.
- Infections- such as HIV, syphilis, brain fever (meningitis, encephalitis)
- Nutritional deficiencies- such as vitamin B12 deficiency
- Endocrine disorders- such as hypothyroidism (lack of thyroid hormone)
- Head injury
- Brain tumors
- Stress and depression.
(Note: This article was first published in B Positive magazine, May 2012 issue)
DR SUDHIR KUMAR MD (Medicine), DM (Neurology)
Senior Consultant Neurologist
Apollo Hospitals, Hyderabad