U researchers say cleansing the blood of toxins three times a week may not be enough. Their study found heart attacks and hospitalizations are much higher during the two-day interval between treatments than at other times.

The trick: Line their lunch trays with photos of vegetables. The researchers behind the University of Minnesota study say they expected results but were surprised by just how well it worked. One researcher said the idea was to "induce a norm," or give kids the impression that eating veggies "was what people did."

A University of Minnesota scientist who co-authored a study on temper tantrums says the best approach is to look the other way. As long as the child is no danger to themselves or others, just let the emotions run their course. "Once the child was past being angry, what was left was sadness, and sad children reach out for comfort," say the authors behind the study.

Maltreatment or even witnessing family violence can cause cognitive harm on par with lead exposure, according to research from the University of Minnesota and Boston Children's Hospital. The study suggests children younger than 2 are the most vulnerable.

Fewer teenage girls are suffering with eating disorders, according to new research from the University of Minnesota. But the same study finds an increase in obesity among minority teenage boys.