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Noncommunicable diseases now world's biggest killers

Noncommunicable diseases now world's biggest killers

The global burden of disease is shifting from infectious diseases to noncommunicable diseases, with chronic conditions such as heart disease and stroke now being the chief causes of death globally, according to a new WHO report.

The shifting health trends indicate that leading infectious diseases – diarrhoea, HIV, tuberculosis, neonatal infections and malaria – will become less important causes of death globally over the next 20 years.

World health statistics 2008 is based on data collected from WHO's 193 Member States. This annual report is the most authoritative reference for a set of 73 health indicators in countries around the world. These are the best available data and they are essential for painting the global picture of health and how it is changing.

"We are definitely seeing a trend towards fewer people dying of infectious diseases across the world," said Dr Ties Boerma, Director of the WHO Department of Health Statistics and Informatics.

"We tend to associate developing countries with infectious diseases, such as HIV/AIDS, tuberculosis and malaria. But in more and more countries the chief causes of death are noncommunicable diseases, such as heart disease and stroke."
The statistical report documents in detail the levels of mortality in children and adults, patterns of morbidity and burden of disease, prevalence of risk factors such as smoking and alcohol consumption, use of healthcare, availability of healthcare workers and healthcare financing. It also draws attention to important issues in global health, including:

  • Maternal mortality: in developed countries, nine mothers die for every 100 000 live births, while in developing countries the death rate is 450 and in sub-Saharan Africa it is 950.
  • Life expectancy trends in Europe: life expectancy in eastern Europe increased from an average of 64.2 years in 1950 to 67.8 years in 2005, representing an increase of only about four years compared with nine to 15 years for the rest of Europe.
  • Healthcare costs: 100 million people are impoverished every year by paying out of pocket for healthcare.
  • Coverage of key maternal, neonatal and child health interventions: four out of 10 women and children do not receive basic preventive and curative interventions and at current rates of progress it will take several decades before this gap is closed.

WHO Health Statistics 2008

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