I step out of a porter booth in the overheated Los Angeles station and reach up to peel off my winter coat. That\u2019s when I realize something\u2019s wrong with my hand \u2014 it feels numb and prickly, and the fingers aren\u2019t quite responding the way they\u2019re supposed to. Weird. I don\u2019t recall circulatory problems being [\u2026]\nLearn more about your ad choices. Visit megaphone.fm/adchoices