Loss of neurons, not lack of sleep, makes Alzheimer’s patients drowsy
The lethargy that many Alzheimer’s patients experience is caused not by a lack of sleep, but rather by the degeneration of a type of neuron that keeps us awake …
Treating tough tumors by exploiting their iron addiction
Researchers have successfully used a ferrous iron–activated drug conjugate to halt the growth of tumors driven by RAS mutations. …
Binge drinking linked to first episodes of heart rhythm disorder
Population study suggests acute alcohol consumption is associated with a higher risk of heart rhythm disorder. …
Exercise alters brain chemistry to protect aging synapses
Physical activity in elderly people is associated with increased levels of a class of proteins that enhance connections between brain neurons to maintain healthy cognition. …
Sunshine may shield children, young adults from multiple sclerosis
Sun exposure may protect children and young adults against multiple sclerosis. …
COVID-19 patients on SSRI antidepressants are less likely to die
A large analysis of health records across the United States found that people taking a class of antidepressants called selective serotonin reuptake inhibitors (SSRIs) were significantly less likely to die of COVID-19. …
Treating severe depression with on-demand brain stimulation
A precision medicine approach has successfully managed treatment-resistant depression by identifying and modulating the brain circuit that’s uniquely associated with symptoms. ..
Study links air pollution to nearly 6 million preterm births around the world
Global study estimates air pollution likely contributed to almost 6 million premature births and almost 3 million underweight babies in 2019. …
An estrogen receptor that promotes breast cancer also causes drug resistance
New findings show that estrogen receptor alpha possesses RNA-binding activity that is critical for breast cancer progression and therapy response. …
Alcohol can cause immediate risk of atrial fibrillation
Alcohol consumption substantially increases risk of atrial fibrillation events. …
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