A placebo-controlled, double-blind, randomised trial of boys with autism found that two to three servings of cruciferous vegetables a day improves social interaction, abnormal behaviour and verbal communication - within a matter of weeks.

Popeye was right about spinach: dark green, leafy vegetables are the healthiest food on the planet. As whole foods go, they offer the most nutrition per calorie.

Sadly, commercially-produced, frozen broccoli lacks the ability to form sulforaphane because the vegetables are flash-cooked before they are frozen.

Michael Greger Quotes