Your website strongly encourages consumption of vegetables - including consumption of cruciferous vegetables like kale. But what about risk of contamination by thallium? Aren't cruciferous vegetables likely to contain unwanted amounts of this heavy metal?

Thallium contamination of food has become a controversial topic on websites and other public media. However, after reviewing numerous research studies in this area, we have not found as much controversy about thallium and its relationship to food ...

from The World's Healthiest Foods http://ift.tt/1LM6JFR