School nutrition | Physical activity and depression | Bone density genetics | NIH Research Matters

January 15, 2019 Edition School nutrition policies reduce weight gain Implementing nutrition policies at middle schools limited unhealthy weight gains in students. The findings highlight an effective obesity prevention strategy in schools. Physical activity may reduce depression symptoms Researchers found that sleep problems, lack of energy, and physical inactivity may lead to a depressed mood. The results reverse conventional wisdom that depression leads to physical inactivity. Genes linked to abnormal bone density and fracture Using information from hundreds of thousands of people, researchers produced a detailed analysis of the genetic factors related to bone density. Popular Stories Eating red meat daily triples heart disease-related chemical Appendix linked to toxic Parkinson’s protein Genetically modified houseplant cleans indoor air Revealing gene regulation in the brain 2018 Research Highlights — Promising Medical Advances