National Geographic 1


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Vocabulary List

(adjective) making someone very weak
(noun) an illness
(adjective) caused by a virus
(adjective) the first choice
(verb) to have the opposite result of what was wanted or expected


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POTS is an illness that can be caused by viral illnesses.
This disease makes someone very weak and millions of people now live with it.
Many consider that the first choice to treat the disease is exercise.
However, the results are the opposite of what was expected.


Millions of people now live with the debilitating disorder, which can be triggered by viral illnesses.
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