Stem cells can already be employed to replicate any cell in the body and may one day be used to grow entire organs or cure diseases such as Parkinson’s and diabetes. But there are still a number of unanswered questions before the stem cell revolution really takes off.
New research has identified how the brain fights viral infections. The results may have implications for the fight against everything from multiple sclerosis to Alzheimer's disease, schizophrenia, and depression.
Norwegian researchers have found that five-year-olds who received little vitamin B12 as infants tend to have greater problems solving various language and numerical problems as well as understanding other children's emotions.