A study just published in PLOS ONE asked participants to evaluate the weight and appearance of models in selfies versus photos taken from other angles.
Artificial sweeteners and ultra-processed foods may lead to depression, a study from researchers in Massachusetts suggests. However, experts warned there is not yet enough supporting evidence.
Some zero in on calorie-counting over healthier eating and improving other habits. They might do little to teach healthy eating skills, like meal-planning and preparation.