Health

Blood-based marker developed to identify sleep deprivation

A blood test that can accurately detect when someone has not slept for 24 hours has been developed.

Cancer patients at risk, says NHS complaints chief

A health system "at breaking point" is causing delays in diagnosis and treatment, says ombudsman.

COVID-19 virus can stay in the body more than a year after infection

The COVID-19 virus can persist in the blood and tissue of patients for more than a year after the acute phase of the illness has ended, according to new research that offers potential clues to why some people develop long COVID.

'Double life' of key immune protein reveals new strategies for treating cancer and autoimmune diseases

Insights into the workings of an immune cell surface receptor, called PD-1, reveal how treatments that restrict its action can potentially be strengthened to improve their anticancer effect, a new study shows. The same findings also support experimental treatment strategies for autoimmune diseases, in which the immune system attacks the body, because stimulating the action of PD-1, as opposed to restricting it, can potentially block an overactive immune response.

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