The Placebo Effect in Fighting Colds and Flu

The concept of placebos goes back centuries. During the late 1700’s the word placebo was referred to as an inert substance falsely presented as a real drug in order to improve a person’s health. Fast-forward to 2010, a Harvard Medical School study found...

Vitamin D and Colds

In the largest trial done so far, vitamin D failed to lower the risk of colds or other respiratory infections even though earlier evidence had suggested that people with lower vitamin D levels have a higher risk of colds. The study, conducted in New Zealand randomly...

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