The cold is the most common human ailment.
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Each chapter addresses one common complaint and begins with a case and guidance on how to organize the differential diagnosis.

Cryptosporidiosis, often abbreviated to ‘crypto,’ is caused by a parasite that gets into the gut.
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Either situation is cause for concern and should be investigated as soon as possible.

The tendency to develop allergies is often hereditary, which means it can be passed down through your genes.
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Extensive research has been done to elucidate the factors involved with a UTI.