Is Cold Medicine a Waste of Time?

“A 2009 study that will sound especially sinister to anyone who suffers from allergies put 39 patients with a grass allergy into a sealed room called the “Vienna Challenge Chamber.” Then, the scientists piped in grass pollen. The people were given phenylephrine, a sugar pill or another decongestant called pseudoephedrine. Phenylephrine did no better than the placebo, while pseudoephedrine — which must be obtained by going to the pharmacist’s counter — beat them both.”

https://www.washingtonpost.com/rweb/biz/is-cold-medicine-a-waste-of-time/2015/11/04/8eb5c907f9ec9b32832cfe3f6862729d_story.html?wpisrc=nl_draw2

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