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News
The National Institute of Mental Health keeps reward and low mood in separate research domains, and people who can't simply decide to feel better aren't lacking willpower or gratitude, they're dealing with a symptom that responds more slowly than sadness
19+ hour, 24+ min ago (586+ words) Anhedonia has its own scales, its own NIMH research domain, and a treatment response that lags behind low mood. A reading of what the evidence does and does not show. By Science Blog Editorial Team · Edited by Jeanette Brown Published…...
Aging Immune Cells May Betray the Hidden Face of Depression
3+ mon, 1+ day ago (25+ words) Somewhere in your bloodstream, a type of white blood cell is quietly doing double duty. Monocytes are foot soldiers of the immune system, dispatched to...
Tiny Brain Cells Hold the Key to Faster, Safer Antidepressants
3+ mon, 3+ day ago (23+ words) Deep in the prefrontal cortex, a small population of neurons is doing something that shouldn't be happening. Under chronic stress, these cells (called...
Scientists Find the Brain Circuit That Keeps You From Starting Hard Tasks
6+ mon, 3+ week ago (231+ words) You have a deadline. You know exactly what needs to happen. And yet you sit there, unable to begin. This isn’t laziness or weak character. Neuroscientists at Kyoto University have now pinpointed a specific brain pathway that functions like a…...
Exercise May Work as Well as Therapy for Depression
6+ mon, 4+ week ago (285+ words) For millions facing depression, the choice between medication, therapy, or alternative approaches can feel paralyzing. A comprehensive review of 73 trials suggests that physical activity deserves serious consideration alongside traditional treatments, performing about as well as psychological therapy in reducing symptoms....
Schizophrenia and Brittle Bones May Share the Same Genetic Blueprint
6+ mon, 4+ week ago (523+ words) People with schizophrenia break bones at rates far higher than the general population, a pattern doctors have puzzled over for decades. Explanations typically point to medication side effects, poor nutrition, or lack of sunlight. A new genomic analysis suggests the…...
Your Brain on Cannabis and Cigarettes: A Troubling Mix
9+ mon, 2+ week ago (466+ words) McGill researchers Pablo Rusjan; Rachel Rabin, Romina Mizrahi and Joseph Farrugia at The Neuro's PET scanner. If you smoke both cannabis and tobacco, your brain chemistry looks different in ways scientists are only now beginning to understand. And those differences…...
Common Gut Fungus Alters Dopamine And Alcohol Preference
9+ mon, 2+ week ago (254+ words) The gut speaks to the brain in chemical whispers. In mice, those whispers turned into a clear message: drink less alcohol when a common fungus blooms. Tufts University researchers report that Candida albicans, a frequent gut resident that overgrows in…...
Genes Reveal Hidden Links Between Cannabis Use and Mental Health
9+ mon, 3+ week ago (248+ words) The research analyzed data from 131,895 participants who had shared genetic information and answered questions about whether and how often they used cannabis. The team then searched millions of DNA markers for patterns that tracked with lifetime use and frequency. What…...