Getting too much sun is bad for anyone, but it's especially dangerous for babies, whose sensitive skin hasn't developed enough layers of natural protection to withstand intense summer rays. (health.com)
With enough layers of questions and answers, one might answer almost any complex question at all. (discovermagazine.com)
You need to make sure you have a thick enough layer for your buddy to dig at his heart's content. (second-opinion-doc.com)