Inhaling CO2 may rescue nerves’ ability to regrow

Jared Spiers had an interest in contributing to NASA’s mission long before becoming a civil servant for the agency. Growing up close to NASA’s Stennis Space Center near Bay St. Louis, Mississippi, and hearing about his father’s work there, he gained a firsthand connection to the nation’s space program. Before graduating high school, he knew […]

Scientists have identified a weakened brain signal that may connect several seemingly unrelated symptoms of schizophrenia, including sensory processing difficulties, disorganized speech, and greater symptom severity. The surprising discovery could help explain the disorder's underlying mechanisms and potentially lead to earlier detection and new treatments.

A study of nearly 13,000 adults found that people consuming the most artificial sweeteners experienced a 62% faster decline in memory and thinking skills, equivalent to approximately 1.6 additional years of brain aging. Six popular sweeteners were linked to faster cognitive decline, raising concerns about the long-term brain health effects of common sugar substitutes, although causation was not established.

Aliens, vampires, and ghosts have haunted our sleep for centuries. The post The creepy science behind sleep paralysis ‘demons’ appeared first on Popular Science.