Alzheimer's disease & dementia

Obstructive sleep apnea may directly cause early cognitive decline

Obstructive sleep apnea (OSA) is a potentially dangerous condition. During sleep, the throat muscles of people with OSA relax and block the airflow into the lungs, so that they repeatedly stop breathing. Common symptoms of ...

Biomedical technology

Tiny wireless implant detects oxygen deep within the body

Engineers at the University of California, Berkeley, have created a tiny wireless implant that can provide real-time measurements of tissue oxygen levels deep underneath the skin. The device, which is smaller than the average ...

Diseases, Conditions, Syndromes

South Africa passes 700,000 coronavirus cases

The number of people in South Africa who have tested positive for coronavirus has topped 700,000, official figures showed overnight, another grim milestone for the continent's worst-hit country.

Psychology & Psychiatry

Game study not playing around with PTSD relief

Post-traumatic stress disorder (PTSD) patients wrestling with one of its main symptoms may find long-term relief beyond medication thanks to the work of a Western researcher.

Cardiology

New ultrasound 'drill' targets deep vein blood clots

Researchers at North Carolina State University and the University of North Carolina at Chapel Hill have developed a new surgical tool that uses low-frequency intravascular ultrasound to break down blood clots that cause deep ...

Psychology & Psychiatry

Theta waves: A marker of emotional regulation

Without realizing it, we all rely on emotional regulation many times a day. It's the process by which we mitigate the effect of disturbing stimuli in order to stay focused, improve our well-being and respond to demands from ...

Neuroscience

Deep sleep reinforces the learning of new motor skills

The benefits of a good night's sleep have become widely known, and now neuroscientists at UC San Francisco have discovered that the animal brain reinforces motor skills during deep sleep.

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