Second-hand smoke increases fatness, hinders cognition in children Exposure to secondhand smoke is associated with a larger waist and poorer cognition in children, researchers say. Researchers looked at passive smoke exposure in 220 overweight or obese 7-11-year-old boys and girls. They found smoke exposure associated with nearly all measures of adiposity in the children, including bigger bellies and overall fat.

To burn sugar or not to burn sugar: How eggs store fuel for embryo development Reproduction is highly dependent on diet and the ability to use nutrients to grow and generate energy. New work dissects the links between metabolism and the development of eggs and may provide a new understanding of human infertility as well as IVF treatment failures.