Which test would you choose?

Do this man's symptoms point to low testosterone, depression or hypothyroidism? Take the quiz and get the answer.

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Vitamin D deficiency: Who's at risk?

Many of your patients may have low vitamin D levels. Read why five lesser-known patient types are at risk.

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The testosterone testing challenge

Do you know all the factors that affect the results of laboratory tests for low testosterone? Read up.

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Exercise for senior health

From cognition to metabolism, new studies shed light on how physical activity promotes health in older patients.

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