Sunscreen Choices Redux

My pal Caryn wrote today, looking for a post I wrote a while back about my struggle with the question of daily sunscreen use. What's worse, I wondered (and still do): the chemicals seeping into our skin, day after day after day? Or the dangers of sun exposure? Ever since our move to San Diego in the fall of 2006, these questions have plagued me. My kids wear hats some of the time, and I know keeping covered is the best course of action, but still: it's short-sleeve weather here almost all year r