Thrill Fatigue: How Dopamine Devalues Repeated Rewards

Summary: New research shows that the same dopamine receptor mechanism responsible for drug addiction also governs the natural decline in motivation when we repeat rewarding behaviors. By studying male fruit…

Shocking Disparities: Women Face Higher Risk of ECT

Summary: A large international survey of 858 electroconvulsive therapy recipients found that women are twice as likely as men to receive ECT and experience more adverse effects. Women reported higher…

Maternal Stress Speeds Up Baby Teething

Summary: New research shows that infants whose mothers had higher cortisol levels during late pregnancy experience significantly earlier eruption of primary teeth. Babies of mothers with the highest cortisol levels…

Eyes Blink in Time With Music, Revealing Hidden Brain Rhythms

Summary: New research shows that spontaneous eye blinks naturally sync to the beat of music, revealing a hidden form of auditory-motor synchronization that occurs even without conscious movement. In more…

Quitting Impossible Goals May Actually Boost Wellbeing

Summary: A sweeping analysis of 235 studies shows that holding onto impossible goals harms mental and physical wellbeing, increasing stress and lowering life satisfaction. In contrast, releasing unachievable goals —…

Genetic Roots of Depression Reveal Strong Suicide Risk Signals

Summary: New research shows that depression beginning before age 25 has a much stronger hereditary component than depression that emerges later in life. By analyzing genetic data from over 150,000…

Why Sharing Good Deeds Feels Bad

Summary: New research shows that people often feel worse when telling others about their good deeds than when keeping them private or discussing personal achievements. Across five studies, participants predicted…

No Evidence the Gut Microbiome Causes Autism

Summary: Experts reviewing decades of research conclude there is no scientific evidence that the gut microbiome causes autism. They highlight major flaws in observational studies, mouse experiments, and clinical trials,…

The Hidden Risks You Make Every Day

Summary: Researchers surveyed more than 4,300 people to create the first large-scale inventory of modern real-life risky choices, revealing which decisions people actually struggle with in daily life. The most…

Low Income, Vision Loss, and Isolation Drive Dementia Risk

Summary: A new study reveals that people with lower incomes and those from historically underrepresented racial and ethnic groups carry a higher burden of modifiable dementia risk factors. Vision loss…