A couple of months ago, I met up with a friend whom I hadn't seen in a long time. Our kids used to hang out together and we spent many hours sitting and chatting at dance class or gymnastics or birthday parties while the kids did their thing. I heard from her daughter that Teresa wasn't well. I had coffee with her in May and she told me that she has advanced lung cancer. I was stunned. This woman and no one in her family smoked. She would have had limited access to second-hand smoke. She was told ...

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