1+ week, 2+ day ago   (450+ words) Reactive oxygen species are usually cast as the villains in cancer, capable of damaging DNA and promoting tumor growth. But new research shows that cancer-fighting T cells need small amounts of these molecules—and tumors may exploit that dependence to…...

1+ week, 6+ day ago   (295+ words) Higher parental B12 levels before conception were associated with a lower risk of birth defects in subsequent offspring, shows research led by the Children’s Hospital of Fudan University, in Shanghai. Writing in the Annals of Internal Medicine, the researchers also report…...