Hormonal Contraceptives Influence Memory of Emotional Events

Summary: A new study reveals that hormonal contraceptives may shape both emotional responses and memory processing in women. Compared with naturally cycling women, users of hormonal birth control had stronger…

Brain Cells Behind Depression Identified

Summary: Researchers analyzing post-mortem brain tissue found two cell types altered in people with depression: excitatory neurons that regulate mood and stress, and microglia that manage inflammation. The findings highlight…

The Midlife “Unhappiness Hump” Has Vanished, But at a Cost

Summary: A new large-scale study finds that the long-observed “unhappiness hump,” where mental distress peaked in midlife, has disappeared. Instead, younger people now report the highest levels of anxiety, depression,…

Cannabis Linked to Reduced Insomnia and Anxiety

Summary: A new study suggests cannabis-based medical products may help people with insomnia sleep better over the long term. Across 124 patients followed for up to 18 months, participants consistently…

Big Five No More? New Study Uncovers Hidden Personality Traits

Summary: For 40 years, the Big Five personality model has dominated psychology, but new research suggests it may be incomplete. Using taxonomic graph analysis, researchers mapped personality from the ground…

High-THC Cannabis Linked to Psychosis and Addiction

Summary: A systematic review of nearly 100 studies found that high-THC cannabis products are linked to negative mental health outcomes, particularly psychosis, schizophrenia, and cannabis use disorder. While some therapeutic…

Brain Study Reveals Circuit Controlling Depression and Anxiety

Summary: A new study identifies brain area 46 in the marmoset dorsolateral prefrontal cortex as a key regulator of mood-related behavior. When this region was inactivated, the animals showed less…

How Stress Types Differently Impact Brain and Behavior

Summary: Stress is a universal experience, but not all stress affects the brain in the same way. A new study in rats reveals that acute stress provokes anxiety-like behaviors, especially…

Eight New Genes Linked to Schizophrenia Revealed

Summary: The largest exome-sequencing study of schizophrenia to date has uncovered eight new genes tied to the disorder. Two genes, STAG1 and ZNF136, were strongly implicated, while six others showed…

Highly Sensitive People Face Greater Mental Health Risks

Summary: A large-scale meta-analysis of 33 studies has shown that highly sensitive individuals are more prone to common mental health problems, including depression, anxiety, PTSD, and avoidant personality disorder. Sensitivity…