Our emotional state is governed partly by a tiny brain structure known as the amygdala, which is responsible for processing positive emotions such as happiness, and negative ones such as fear and anxiety. A new study from MIT finds that these emotions are controlled by two populations of neurons that are genetically programmed to encode.. read more →

At the Lieber Institute for Brain Development in East Baltimore, dozens of brains from people who were diagnosed with post-traumatic stress disorder during their lifetimes are stored away in industrial-sized freezers intended to preserve vital tissue. The nonprofit research institute has amassed 81 of these PTSD brains—only a small portion of its nearly 2,000 total.. read more →

If you are caring for an elderly or ailing relative, you are not alone. Nearly one out of five American adults serves as a caregiver to a loved one—an elderly parent or in-law in almost half of cases but in other instances a spouse, a child or other relative who has become sick or disabled… read more →