More Carbon Dioxide, Less Nutritious Food Crops
Rising levels of carbon dioxide in the atmosphere are making crops grow bigger & faster. However, researchers have found that these crops contain significantly lower levels of protein, iron, zinc, and other important nutrients, potentially endangering nutrition for hundreds of millions of people. Experts explain the effect will get worse as CO2 levels continue to rise, and what might be done to combat the problem.
Body Dysmorphic Disorder
Some people who seek repeated plastic surgery are afflicted with a mental illness, body dysmorphic disorder, which distorts their view of their own appearance. Experts discuss symptoms and how the disorder may be treated, though few with the disorder agree to psychological treatment.