Alzheimer's disease & dementia

Does general anesthesia increase dementia risk?

There are concerns that exposure to general anesthesia during surgery may contribute to an increased risk of Alzheimer's disease. To investigate, researchers compared exposure to general anesthesia versus regional anesthesia ...

Diseases, Conditions, Syndromes

US now says asymptomatic people don't need virus test after exposure

After previously encouraging people without COVID-19 symptoms to get tested if they have been exposed to someone diagnosed with the virus, US health authorities have abruptly reversed their position without a clear explanation.

Alzheimer's disease & dementia

Surgery in older adults does not up risk for Alzheimer disease

(HealthDay)—Older adults who have surgery with general anesthesia may experience a modest cortical thinning in the brain, but it does not appear to be tied to Alzheimer disease, according to a study recently published in ...

Cardiology

PulseCam peeks below skin to map blood flow

Rice University engineers have found a way to use a video camera to peek below the skin and make high-resolution maps that show doctors and nurses exactly how much blood is reaching the capillaries.

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