Even light alcohol drinking raises dementia risk, largest genetic study finds Study links any alcohol use to higher dementia risk, challenging past beliefs of light drinking benefits.
Caffeine Boosts Task Persistence, Especially Under Stress Caffeine may help you persist longer on difficult tasks, especially if you're stressed.
Drinking too little water may amplify stress response People who drank less than 1.5 liters of fluid per day had a cortisol response to stress over 50% higher, according to a new study.
Repetitive negative thinking linked to cognitive decline in older adults Repetitive negative thinking may accelerate cognitive decline in older adults.
Probiotics boost cognitive function in older adults Probiotics may improve cognitive function in older adults, especially after 12 weeks of daily intake.
Engineered Salmonella shrinks colon cancer in mice Scientists engineer Salmonella to self-destruct in tumors, shrinking colon cancer in mice.
Living heart valves grow with children, reduce future operations Living heart valves grow with children, reducing future operations and immunosuppressants.
Patient deaths rise in hospitals acquired by private equity. Private equity ownership of hospitals linked to increased patient deaths in emergency departments.
Marriage adds little to life satisfaction beyond cohabitation. Living with a partner boosts life satisfaction, but marriage adds little extra, a new study finds.
Higher perceived social status linked to poorer emotion perception. Higher perceived social status linked to poorer emotion recognition in new study.