Health News

Doctors Grow Increasingly Frustrated Over COVID-19 Denial

Editor’s note: Find the latest COVID-19 news and guidance in Medscape’s Coronavirus Resource Center. The COVID-19 patient’s health was deteriorating quickly at a Michigan hospital, but he was having none of the doctor’s diagnosis. Despite dangerously low oxygen levels, the unvaccinated man didn’t think he was that sick and got so irate over a hospital […]

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Supine Tops Seated for Orthostatic Hypotension Assessment

New research shows that supine orthostatic hypotension (OH) is more common and better predicts falls and orthostatic symptoms than seated OH, supporting a supine OH protocol in clinical practice, the researchers say. “Older adults at risk for falls undergoing assessment for OH should lie supine rather than sitting prior to standing to get the most […]

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T-cell tests unreliable in establishing previous COVID-19

Can T-cell tests be used to determine whether people have had COVID-19? Scientists at Uppsala University and Karolinska Institutet have jointly analyzed this issue under the aegis of the COMMUNITY study at Danderyd Hospital. Their study is published in PLOS ONE. “We’ve seen that companies sell tests for the purpose of establishing whether a person […]

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Production of Biopolymers by Microorganisms

Biopolymers include any polymers produced by living cells, constructed from repeating monomers that are linked together to form a longer chain. Examples of monomers include nucleic acids, sugars, fatty acids, and phosphates, which are generally assembled into biopolymers by processive enzymes. Bacteria produce biopolymers naturally to facilitate propagation, being essential to energy storage, structure creation, […]