Depending on your age, sex, and level of physical activity, we should eat anywhere from 1 cup to 3 cups of fruits and veggies every day. Visually, that’s about half of everything on our plate at every meal. And most of us tend to greatly overestimate how much we’re actually eating. The compound being measured is called carotenoids, and levels vary according to fruit and vegetable intake. But researchers have discovered that a special laser that measure a compound in the skin can tell exactly how much we’re getting.
