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Global COVID-19 registry finds strokes associated with COVID-19 are more severe, have worse outcomes and higher mortality

Patients with COVID-19 who have an acute ischemic stroke (AIS) experience more severe strokes, have worse functional outcomes and are more likely to die of stroke than AIS patients who do not have COVID-19. The wide range of complications associated with COVID-19 likely explain the worse outcomes.

COVID-19 can be transmitted in the womb, reports pediatric infectious disease journal

A baby girl in Texas -- born prematurely to a mother with COVID-19 -- is the strongest evidence to date that intrauterine (in the womb) transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can occur, according to a new report.

Access to nature requires attention when addressing community health needs

Nature is a tool to address deeply entrenched health disparities; health systems should work to increase nature access, as they have with other social determinants of health.

Why lopinavir and hydroxychloroquine do not work on COVID-19

Lopinavir is a drug against HIV, hydroxychloroquine is used to treat malaria and rheumatism. Until recently, both drugs were regarded as potential agents in the fight against the coronavirus SARS-CoV-2. Researchers have now discovered that the concentration of the two drugs in the lungs of Covid-19 patients is not sufficient to fight the virus.

Black individuals at higher risk for contracting COVID-19, according to new research

A new study found that Black individuals were twice as likely as White individuals to test positive for COVID-19. The average age of all participants in the study was 46. However, those infected were on average 52 years old, compared to those who tested negative, who were 45 years old on average.

Gall fly outmaneuvers host plant in game of 'Spy vs Spy'

Over time goldenrod plants and the gall flies that feed on them have been one-upping each other in an ongoing competition for survival. Now, a team of researchers has discovered that by detecting the plants' chemical defenses, the insects may have taken the lead.

The spin state story: Observation of the quantum spin liquid state in novel material

The quantum spin liquid (QSL) state is an exotic state of matter where the spin of electrons, which generally exhibits order at low temperatures, remains disordered. Now, scientists have developed a new material where a two-dimensional QSL state can be experimentally observed, advancing our knowledge of spin behavior, and getting us closer to next-generation...

Changes in the immune system can promote healthy aging

As we age, the immune system gradually becomes impaired. One aspect of this impairment is chronic inflammation in the elderly, which means that the immune system is constantly active and sends out inflammatory substances. Such chronic inflammation is associated with multiple age-related diseases including arthritis and Alzheimer's disease, and impaired...

Enormous 'superflare' detected on nearby star

Astronomers succeeded in detecting 12 stellar flare phenomena on AD Leonis. One of these flares was 20 times larger than those emitted by our own sun, categorizing it a 'superflare'. Subsequent data analysis presents new insight into these explosive phenomena.

Major cause of rare genetic mitochondrial disease identified

An international study has given hope to families of children born with a fatal heart muscle disease caused by faulty cell machinery.

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