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Protective immunity to COVID-19 may be short-lasting

In a new study, researchers found that the duration of protective immunity against COVID-19 may be short-lived. The findings are from a case study of...

Most people infected with COVID-19 have symptoms

In a new study, researchers found while some people who contract COVID-19 infections never experience any symptoms, there remains disagreement about what proportion of...

Coronavirus pandemic death toll is far higher than 200,000 in the US, says study

A new analysis shows the true death toll in the US from the COVID-19 pandemic is 36 percent higher than reported. That analysis, available on...

Three big heart attack symptoms men and women share

Heart attack symptoms are often labeled as ‘typical’ in men and ‘atypical’ in women. But in a recent study at the University Medical Centre Utrecht,...

New unique vaccine may effectively prevent COVID-19

In a recent study at the University of Alabama at Birmingham, researchers found positive results that distinguish a new COVID-19 vaccine candidate from other...

This stuff in the brain may drive Alzheimer’s disease

In a new study, researchers propose that Alzheimer's disease may be driven by the overactivation of fructose made in the brain. They outlined the hypothesis...

New finding could help separate COVID-19 patients who need immune-calming therapies

In severe cases of COVID-19, Emory researchers have been observing an exuberant activation of immune cells, resembling acute flares of systemic lupus erythematosus (SLE),...

Social factors could help find heart disease risk

Asking people simple questions about their social situation in addition to medical measures will give a more accurate picture of who might have a...

Many dementia cases can be prevented by avoiding these 12 things

In a recent study from the Lancet Commission on dementia prevention, intervention, and care, researchers found that modifying 12 risk factors over a lifetime could...

This old drug has a unique role in preventing heart attacks

In a new study, researchers found that a drug costing less than 2 euros per dose could reduce the long term consequences of a...