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Excess dietary salt may weaken immunity against bacteria in the kidneys

Eating more than the recommended amount of salt disrupts the antibacterial function of a type of immune cell, research in mice and humans has found. According to the American Heart Association (AHA), 9 out of 10 people in the United States consume too much s…

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Rats develop cannabis-seeking behavior

A recent study in which rats could self-administer cannabis vapor may provide a useful research model for humans. With the legalization of marijuana in some countries and regions within the United States, investigations into its short- and long term-effects …

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New understanding of brain structure offers insights into Alzheimer’s

New research has revealed greater detail about the brains structure, suggesting avenues for future research into Alzheimers disease and related illnesses. A new study has revealed more detail about key brain cells. The team of investigators has found that a …

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How might climate change affect the spread of viruses?

Predicting how future climate change will influence the spread of viral infections is fraught with difficulty. This is due to the complexity of interactions between climate, nature, and human activity. But annual fluctuations in some viral infections, such a…

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COVID-19: Social distancing, drug trials offer hope

The number of COVID-19 cases around the world has just passed 1 million, and it may seem as though this pandemic will never go away. It is important to remember that, in their labs, scientists are making quiet progress every day helping untangle the causes of…

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Sleep apnea linked with Alzheimer’s–like changes to the brain

Scientists have found amyloid plaques, which are a characteristic of Alzheimers disease, in the brains of people with sleep apnea. In a new study, French scientists scanned the brains of older adults. They found an association between sleep apnea and the pre…

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Cats may be able to contract SARS-CoV-2, but evidence is limited

A preliminary study suggests that cats can contract the new coronavirus, yet this happened in an artificial context where scientists gave the felines high doses of SARS-CoV-2. The research did not prove convincingly that cats were able to transmit the virus f…

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How humidity may affect COVID-19 outcome

As we move from a colder winter to a warmer spring, the outcome of the COVID-19 pandemic may significantly depend on levels of humidity indoors and outdoors a new review suggests. Prof. Akiko Iwasaki, an immunobiologist at Yale University, in New Haven, CT, …

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COVID-19: China’s early travel ban may have averted 700,000 cases

A new report assessing the effectiveness of Chinas emergency response during the early stages of the COVID-19 outbreak suggests that measures such as the travel ban may have prevented more than 700,000 cases outside Wuhan. “The number of confirmed cases in C…

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COVID-19: Could TB vaccine offer protection?

Currently, there are no drugs that can prevent COVID-19, and there is no vaccine. As the virus traverses the globe, scientists are working at breakneck speed to identify ways to slow or stop the disease. Taking a new drug from initial trials through to the c…