Psychology & Psychiatry

Cocoa flavanols boost brain oxygenation, cognition in healthy adults

The brains of healthy adults recovered faster from a mild vascular challenge and performed better on complex tests if the participants consumed cocoa flavanols beforehand, researchers report in the journal Scientific Reports. ...

Sleep disorders

Inflammation may precede sleep apnea, could be treatment target

Inflammation is traditionally thought of as a symptom of sleep apnea, but it might actually precede the disorder, potentially opening the door for new ways to treat and predict sleep apnea, according to researchers.

Ophthalmology

Why apnea patients are prone to suffer from glaucoma

Scientists at Hokkaido University have successfully measured the eye pressure of sleeping patients with obstructive sleep apnea syndrome for the first time, finding an unexpected correlation with glaucoma.

Sleep disorders

Study suggests ways to block hypertension in those with sleep apnea

Obstructive sleep apnea - a disorder that affects nearly one out of four people between the ages of 30 and 70 - is a common cause of high blood pressure. In the Aug. 17, 2016, issue of the journal Science Signaling, researchers ...

Medications

Could tiny blood clots make COVID-19 more lethal?

(HealthDay)—The COVID-19 coronavirus appears to promote blood clotting throughout the body, which might help explain why the germ is so much more deadly than other members of its viral family, experts say.

Neuroscience

Researchers solve mystery of oxygenation connections in the brain

Scientists have known that areas of the brain with similar functions—even those in different brain hemispheres—connect to share signals when the body rests, but they haven't known how this "resting-state connectivity" ...

Sleep disorders

Concerns that sleep apnea could impact healthspan

The number of people with obstructive sleep apnea has steadily increased over the past two decades. The disorder, which causes a person to briefly stop breathing when asleep, affects over 100 million people globally and is ...

Oncology & Cancer

New study shows antioxidants stimulate blood flow in tumors

Vitamin C and other antioxidants stimulate the formation of new blood vessels in lung cancer tumors, a new study from Karolinska Institutet published in the Journal of Clinical Investigation shows. The discovery corroborates ...

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