The Right Chemistry: How do scientists study the effects of diets?

Trials usually attempt to determine how dietary composition affects objective measures such as body weight, blood pressure, cholesterol levels or onset of some disease.

Your grandmother, if you were lucky enough to have one, probably told you to eat your fruits and veggies. And now it seems that those grandmothers who meddled with our dietary habits and urged kids to eat their peas and carrots were bang on. Grandmas have been joined by a plethora of scientists who tell us that we should be eating anywhere between five and ten servings of fruits and vegetables a day. Grandmothers went by instinct, but science progresses through studies. So, what evidence do the scientists have for providing their advice? Read More