Can't sleep? Try cooling your brain. A small study shows that decreasing metabolism in the frontal cortex helps insomniacs sleep normally.

As members of the key 18-34 demographic bracket, we're used to getting our way. Advertisers love us, companies court our support, it's all coming up roses. We shouldn't rest on our laurels, though. It's going to come crashing down. We can kiss fun commercials goodbye. It'll be all ED,..