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Tregsâ Abnormal Activation Helps Weaken Immune System in Space
Credit: John Lamb/Getty Images
June 9, 2021
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Microgravity in space perturbs human physiology and is detrimental for astronaut health, a fact first realized during early Apollo missions when astronauts experienced inner ear disturbances, heart arrhythmia, low blood pressure, dehydration, and loss of calcium from their bones after their missions.
One of the most striking observations from Apollo missions was that just over half of astronauts became sick with colds or other infections within a week of returning to Earth. Some astronauts have even experienced re-activation of dormant viruses, such as the chickenpox virus.
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Privately insured individuals are more likely to report worse access to care, higher medical costs and lower satisfaction than those on public insurance programs like Medicare, suggesting public options may provide more cost-effective care than private ones, according to a new study published in JAMA on Tuesday.
The study, conducted by researchers from the San Francisco Veterans Affairs Medical Center and University of California, San Francisco, comes amid a renewed push by Democrats to enact a public health insurance option, a key prong of President Joe Biden s health agenda fiercely opposed by conservatives.
As legislators look for ways to lower costs and improve coverage, policy efforts directed at increasing the number of individuals covered by Medicare or improving protections for individuals covered by private insurance against increasing out-of-pocket costs, high deductibles, and surprise billing may be associated with improved experience of and satisfaction wi