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Question

Which of the following is not an autoimmune disesase?

A
Alzheimer's disease
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B
Rheumatoid arthritis
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C
Psoriasis
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D
Vitiligo
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Solution

The correct option is A Alzheimer's disease
An autoimmune disease is a condition in which the immune system mistakenly attacks the body.
Alzheimer's disease - is thought to be caused by the abnormal build-up of proteins in and around brain cells.
Recent findings categorise Alzheimer's disease also as an autoimmune disease. But this is the correct answer key for this question.
Rheumatoid arthritis - immune system attacks the lining of the joints.
Psoriasis - immune system attacks the own skin cells as foreign invaders. This causes your skin cells to rapidly multiply, leading to the characteristic psoriasis skin lesions.
Vitiligo - the immune system attacks the pigment cells (melanocytes) in the skin.

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