We Don’t Really Know What’s in Pre-Workout Supplements (Discover) There's no conclusive evidence that pre-workout products work, and some ingredients (labeled or not) can put your health at risk. In the past, products have been banned only after killing consumers.
Are Flip Phones Really Better for You? (Discover) Some claim “dumb phones” are the key to a happier life. But smartphones come with useful tools, experts say, and don’t necessarily have to make us miserable.