Having more positive experiences in life is associated with lower odds of developing brain disorders like Alzheimer’s disease, slower cognitive decline with age, and even a longer life. But how feelings and experiences are translated into physical changes that protect or harm the brain is still unclear. A study from Columbia researchers now suggests that the brain’s mitochondria may play a fundamental part. The study is published in the journal Proceedings of the National Academy of Sciences. Mitochondria supply energy to the brain, and the new study shows that the Read More