Diet

China's eastern coastal region is associated with lower obesity, cardiovascular risk, and higher life expectancy. It's also where, for generations, market stalls selling fresh leafy greens, lotus seed pods, vegetables, tofu, and freshwater fish have shaped the diet of those living there.

Keeping a journal of what and when you eat is one of the standard ways of tracking your diet. That said, it's a rather inexact method, which is why scientists are creating an eyeglasses-based system that may do the job more accurately.