Secondary infections caused by bacteria or viruses during hospital care remain a long-standing global challenge, despite ...

Scientists in the Blavatnik Institute at Harvard Medical School and MIT have created a new family of tools that, for the ...

We are now approaching six years since COVID-19 was declared a pandemic by the World Health Organization, yet talk of ...

During the recent Covid-19 pandemic, the rate of serious illness and death was jarringly high in older populations. Why? Weakening immune systems — as we age, we become more vulnerable to infections, ...

When food is scarce, stress hormones direct the immune system to operate in "low power" mode to preserve immune function while conserving energy, according to researchers at Weill Cornell Medicine.

Colorectal cancer has long baffled scientists because, unlike most tumors, patients often do better when their cancers are ...

Your immune system is made up of white blood cells, the lymphatic system, several different organs, and tissues that all work together to fight off germs or foreign organisms like viruses, bacteria, ...