Tag Archives: Brain

This Is What Your Brain Looks Like with PTSD

alexkich/Shutterstock Post-traumatic stress disorder, or PTSD, is distressingly common: The nonprofit organization PTSD United notes that “70 percent of adults in the United States have experienced some type of traumatic event at least once in their lives.” And the condition seems to bring about permanent changes in how the brain functions, say researchers. PTSD is… Read More »

Chinese scientists give monkeys human brain genes in ‘morally risky’ experiment

Their brains may not be bigger than normal, but monkeys created with human brain genes are exhibiting cognitive changes that suggest they might be smarter — and the experiments have ethicists shuddering. In the wake of the genetically modified human babies scandal, Chinese scientists are drawing fresh condemnation from philosophers and ethicists, this time over… Read More »

Not all sleep is equal when it comes to cleaning the brain

New research shows how the depth of sleep can impact our brain’s ability to efficiently wash away waste and toxic proteins. Because sleep often becomes increasingly lighter and more disrupted as we become older, the study reinforces and potentially explains the links between aging, sleep deprivation, and heightened risk for Alzheimer’s disease. “Sleep is critical… Read More »