Wearing face masks the same house was 79% effective at curbing transmission, but only before symptoms emerge.
Could Wildfires Have Long-Term Health Effects?
When people breathe wildfire smoke, the short-term health effects can range from eye and nasal irritation and coughing to worsening asthma, heart attacks, and strokes. Scientists aren’t sure yet of the long-term effects, but… Read MoreAccuracy of COVID-19 Antibody Tests Varies Widely
There was a wide range of accuracy among the tests. Specificity -- the ability to correctly identify those without the disease -- ranged from 82% to 100%
from WebMD Healthhttps://img.webmd.com/dtmcms/live/webmd/consumer_as… Read MoreIngredients Make 'Smart' Supplements Not-So-Smart
A review of so-called "smart drug" nutritional supplements found a handful that were packed with foreign pharmaceuticals not approved in the United States, often in potentially dangerous combinations and dosages.
from WebM… Read MoreSymptoms or No, COVID Patients Have Same Viral Load
Fifty-four percent of patients without symptoms tested positive for SARS-CoV-2, as did 64% of those with mild symptoms. There was no significant difference in the viral load between the two groups, the researchers said.
fr… Read MoreLow Vitamin D Levels Tied to Odds for Severe COVID
Patients who were vitamin D-sufficient -- a blood level of at least 30 nanograms per milliliter -- had a significantly lower risk for serious complications from COVID-19, including losing consciousness, low blood oxygen leve… Read More
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