News
Teen cannabis use tied to doubled risk of psychosis and bipolar disorder
3+ hour, 45+ min ago (811+ words) Cannabis has become more visible, more accepted, and far more potent than it was a generation ago. For many teenagers, it can feel normal " even routine. But a sweeping new study from the Public Health Institute, which followed nearly half…...
Depression’s most effective treatment may not be a pill
1+ week, 4+ day ago (714+ words) A simple workout can do much more than tone muscles or burn calories. It can actually reshape brain chemistry and lift mood in ways that scientists can measure. A major scientific review from James Cook University confirms that movement has…...
Brain imaging, genetics, and behavior: New study redefines OCD as five distinct disorders
2+ mon, 3+ week ago (818+ words) For decades, obsessive compulsive disorder (OCD) has been treated as one diagnosis covering many different symptoms. But a sweeping new review of 121 studies suggests that approach may miss the real picture. Researchers at the Institute of Higher Nervous Activity and…...
Depression may be caused by tiny DNA switches deep inside neurons
3+ mon, 5+ day ago (754+ words) Scientists in Montreal have tied depression to specific changes inside two types of brain cells. Their map points to excitatory neurons that shape mood and microglia that manage inflammation. Depression affects about 5 percent of adults. This new study suggests treatments…...
Stressful feelings evoked by 'eating noises' have genetic links to depression
4+ mon, 5+ day ago (770+ words) Some people do not just dislike chewing noises " a condition called "misophonia" " they feel a surge of anger, panic, or disgust that can derail a meal, a class, or a workday. Scientists are now tracing part of that reaction to…...
Genes that influence cannabis use and addiction finally identified
4+ mon, 1+ week ago (908+ words) Cannabis is everywhere now " from casual use to medical treatment. Yet one question stays unsolved: why does it pull some people deeper than others? A team at the University of California San Diego School of Medicine, in partnership with 23andMe, tried…...
Bacterial cell fragments seem to play a crucial role in how well you sleep
4+ mon, 3+ week ago (967+ words) We ask a simple question all the time: what makes us sleep. A new set of mouse experiments points to something small and surprising " a bacterial cell wall material called peptidoglycan that shows up in the brain and rises and…...
Study directly links loneliness to serious health issues and diseases, making it a global pandemic
5+ mon, 1+ week ago (914+ words) Feeling lonely and cut off from others does not just sting emotionally. Loneliness changes our internal biology in ways that are linked to heart disease, stroke, type 2 diabetes, and even early death. A large study of more than 42,000 adults measured…...
Single dose of LSD may reduce anxiety symptoms for months
5+ mon, 2+ week ago (713+ words) Anxiety seeps into daily life. It disrupts focus at work, strains relationships, and turns even small tasks into stress triggers. Standard treatments are available, but they do not work for everyone. Many people cannot tolerate antidepressants in the long term,…...
Loneliness isn't just emotional - it's also harming your health and raising medical costs
5+ mon, 2+ week ago (819+ words) Most of us think of loneliness as an emotional weight, not a medical expense resulting from health problems. But new research shows it also leaves a measurable mark on healthcare systems. Adults who report feeling lonely often end up costing…...