Cold and Flu

P.J. Skerrett

Zinc for the common cold? Not for me

The latest hubbub about taking zinc to shorten a cold is media hype at its finest. The review that sparked the media storm on zinc and colds says there’s a lot more to be done before recommending taking zinc for the common cold. The negative side effects of zinc are also worth considering.

Peter Wehrwein

Echinacea for colds

Does echinacea, the popular natural cold remedy, really work? It depends on what you mean by “work.” Results reported in today’s Annals of Internal Medicine found that echinacea may reduce the length of a weeklong cold by 7 to 10 hours and make symptoms a little less onerous. That can’t be characterized as a major effect, so many people may figure that [...]