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Tell me what a stroke is and what are the types of stroke?

Answer:

A stroke is referred for brain attack that occurs when there is a blockage or interruption of the blood supply to part of the brain.

There are two types of strokes
• Ischemic stroke: This type of stroke occurs due to an obstruction within a blood vessel supplying blood to the brain
• Haemorrhagic stroke: This type of stroke happens when a weakened blood vessel ruptures and spills blood into brain tissue.

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Tell me what is Vertigo? What is the treatment of Vertigo?Ozone hole refers to
A. hole in ozone layer
B. decrease in the ozone layer in troposphere
C. decrease in thickness of ozone layer in stratosphere
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