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Physiology & Medicine / Why do colds, and other viruses, feel worse at night?
« on: 27/05/2011 22:59:55 »
I have just been chatting on Skype with a friend who is suffering with a cold. During the day he didn't feel too bad, almost normal, but he wonders why colds are always worse at night. Please could you enlighten us on this? Thanks if you can!