Summary: For most people, the “stress hormone” cortisol hits its lowest point at midnight, allowing the body to recover and rest. However, new research reveals that for nurses working double…
Category: Psychology
Glass Half Full: Optimism Lowers Your Dementia Risk
Summary: Can your outlook on life actually protect your brain? A massive new study suggests that optimism is a powerful “psychosocial asset” for healthy aging. Researchers analyzed data from over…
Edge of Chaos: Why Pigeons Refuse to Become “Machines”
Summary: If you found a guaranteed way to get a reward, you’d probably stick to it, right? According to a new study, pigeons aren’t that predictable. Researchers tested the century-old…
Link Found Between Antibiotics and Depression in Pregnancy
Summary: While antibiotics are lifesaving tools, their impact may extend beyond fighting infection to affecting maternal mental health. A massive nationwide study has identified a “stepwise” link between antibiotic use…
Direct Link Between Stress and Addiction Found
Summary: Why does a stressful day at work make a drink feel like a necessity rather than a choice? Researchers have mapped a previously unknown “direct line” in the brain…
Ultrasound Helps to Unlearn Fear
Summary: Can we “unlearn” fear using sound? Neuroscientists demonstrated for the first time that targeted ultrasonic waves can help the human brain overcome fearful memories more quickly. By directing high-frequency,…
