A study is conducted on the prevalence of multiple sclerosis (MS) world-wide.
Which most likely describes the expected prevalence?

Question

A study is conducted on the prevalence of multiple sclerosis (MS) world-wide. 
 Which most likely describes the expected prevalence?

Answer

North Africa shows the highest prevalence

Answer

North America has the lowest prevalence

Answer

Prevalence is highest in sunny countries

Answer

Prevalence decreases with proximity to equator

Answer

The prevalence is highest in the eastern Mediterranean

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