Cafeteria items marked green for healthy or red for junk food led to shift in buying habits, study found

Usually due to sun exposure

Avoid opening refrigerator or freezer doors

Key ingredient of study: use of extra-virgin olive oil, not calorie counting or exercise

But many general practitioners aren't prepared to deal with them, survey finds

But effect appears small to moderate, researchers add

Researchers found no evidence that those states became 'welfare magnets'

Inflated compliments may cause some kids to back away from challenges, researchers say

But effect appears small to moderate, researchers add

Researchers found no evidence that those states became 'welfare magnets'