"I had a lot more trouble concentrating than usual. Simple things like walking up the stairs would make my head hurt," said Conway. (NBC News)

"I had a lot more trouble concentrating than usual. Simple things like walking up the stairs would make my head hurt," said Conway. (NBC News)
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"I had a lot more trouble concentrating than usual. Simple things like walking up the stairs would make my head hurt," said Conway. (NBC News)