What type of sleeper are you? The latest health and wellbeing news

Global confirmed COVID-19 cases passed 500 million since the start of the pandemic in April. The highly contagious BA.2 subvariant of Omicron continued to drive cases across Europe and Asia.

The G20 has provisionally agreed to launch a global fund for pandemic preparedness. Such a fund would address what it called the financing gap for pandemic preparedness, prevention and action.

In England, nearly 900 type 1 diabetes patients are involved in tests of an artificial pancreas. It would remove the need for finger-prick tests and stop hypoglycaemic attacks, reports the BBC.

The World Health Organization said at least one child has died globally following an increase in acute hepatitis of unknown origin in children. At least 169 cases had been reported in children in 12 countries. Health authorities around the world are investigating a mysterious increase in severe cases of hepatitis - inflammation of the liver – in young children. The majority of cases so far have been identified in Britain.

A new case of Ebola was confirmed on 23 April in northwestern Democratic Republic of Congo. Health authorities moved to enforce urgent containment measures, just four months after the previous outbreak ended.

The UK government announced plans to eradicate slave labour from its National Health Service supply chains. "I want this to be a turning point in the UK’s mission to eradicate slavery and human trafficking in supply chains around the globe," British health minister Sajid Javid said in a statement.

A new technique could help in the early detection of pancreatic cancer, a study published in Nature Communications Medicine has found. Pancreatic cancer is difficult to detect early and also has a low survival rate, relative to other major cancer killers, reports Big Think.

Research published in the Science journal has uncovered new clues and patterns in the DNA of cancer. Researchers hope it could help understand causes that are not yet understood, and eventually boost diagnosis and treatment. Lead researcher Prof Serena Nik-Zainal, a consultant at Cambridge University Hospitals, told the BBC the study was like an "archaeological dig" of people's cancer.

A new study suggests that psilocybin, a drug found in magic mushrooms, could help treat severe depression. The research, published in Nature Medicine, cautions that patients with depression shouldn't take psilocybin on their own.

Headache disorders affect around half of people globally, according to new research, with each day, nearly 16% of the world's population reporting a headache. The study cautions that more and better research is needed in low- and middle-income countries, though.

A new study - not yet peer-reviewed - suggests that US life expectancy fell again in 2021. Researchers found that life expectancy dropped another 0.4 years in 2021, having fallen nearly 1.9 years in 2020.

Researchers have used fitness trackers to uncover 16 different types of sleepers. Sleepers were grouped from those who sleep all the way through the night to those who suffer significant periods of wakefulness.

A study published in Science of the Total Environment has found microplastics in the lung tissue of living people for the first time.

A report from McKinsey Health Institute has found that we're spending more years in poor health than at any other time in our history - despite rising life expectancy. However, medical and lifestyle changes could extend the number of quality years lived.