Nardini says they both slept better and had more energy, and she didn't get a cold or the flu all month as she usually does in the winter.

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Even at my age, I don't get cold that easy, but I keep a supply, like sweaters and sweatsuits and stuff, around home.

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And as long as the technology works, game players don't really mind plunking down a couple hundred cold ones to get it.

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