To guard against a winter rise in respiratory infections, some people “boost” their immune system with supplements and nutrient-rich foods. For a subset, that is in addition to social distancing, ...

MOST adults catch two or three colds a year, but does taking echinacea or popping a zinc tablet really help? PLUS: Five cold cures that just might work. Yet research continues to probe the cause of ...

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Most of us know that we need to get enough of certain vitamins and minerals, like vitamin C and iron, to keep our bodies healthy. But many other essential nutrients are often overlooked, such as zinc.

Flonase treats allergy symptoms, not colds. Use OTC cold medicines to relieve cold symptoms. Flonase (fluticasone) does not work for the common cold. As a corticosteroid nasal spray, Flonase is a ...