Tanning

<p>What they’ve told us in our neuroscience courses is that low vitamin D levels as a child (say, living in an area where there isn’t a whole lot of sunlight, i.e. northern latitudes) were more likely to develop multiple sclerosis over their lifetimes. </p>

<p>Although, you can get your vitamin D without any sun whatsoever, with the way so many foods are fortified these days.</p>