You’ve probably noticed your hands a lot more these days. With the amount of handwashing you’re doing, they’re probably looking pretty dry and cracked. Are you killing off the good germs along with the bad? Dr. James Hamblin, staff writer at The Atlantic and a lecturer at Yale School of Public Health, joins host Krys Boyd to talk about how our skin protects us – and how we can better protect it. His book is “Clean: The New Science of Skin.”