Health & Medicine

Can Viagra Reduce The Risk Of Alzheimer’s Disease?

The 'little blue pill' may be a promising but unexpected weapon in the fight against progressive brain disease. Viagra – containing the active ingredient Sildenafil...

New marker for the severity of Covid-19

The vesicles on the cell surface of these lymphocytes from Covid patients and their contents reveal the severity of the infection. (M. Schifferer...

Good news: the corona boosters work, British research shows

A wide range of corona vaccines also appear to be suitable as boosters. In the meantime, we know that the protection of the corona vaccine...

How Sars-CoV-2 damages the lungs

This immunofluorescence image of a Covid lung shows the accumulation of phagocytes (red) and connective tissue cells (green). (Image: University Hospital RWTH Aachen...

How Uncontrolled HIV Infection Could Make This Pandemic Much Worse

Researchers argue that it could lead to the emergence of new corona variants that are 'even more contagious than the delta variant'. We are currently...

Human ancestors with small canines

Comparison of the canines of a male and female chimpanzee (above) and the teeth of a male and female Ardipithecus. (Image: Gen Suwa) In...

‘New corona variant Omikron may increase the chance of reinfections’

It seems that people who have previously had COVID-19 are more likely to be reinfected with the new corona variant. Scientists around the world...

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