More than one third of 7 million cancer deaths are caused by 9 avoidable risk factors
Researchers from the Harvard School of Public Health (HSPH) and a network of collaborators estimated mortality for 12 types of cancer linked to nine risk factors in seven World Bank regions for the year 2001. They found that of the seven million deaths worldwide that year from cancer, 35 percent were attributable to the nine well-known behavioral and environmental risk factors. The researchers also looked at how the risks, and the cancers they cause, were distributed over the regions of the world. This is the first assessment of the role of health risks in cancer deaths globally and regionally. The findings appear in the November 19, 2005 issue of the journal The Lancet.
The researchers analyzed data from the Comparative Risk Assessment project and World Health Organization databases to determine the level of risk factors in different world regions, and separately for men and women; they also considered how hazardous each risk factor may be. The analysis covered all high-income countries together, and separated low-income and middle-income countries into geographical regions: East Asia and Pacific, South Asia, Europe and Central Asia, Latin America and Caribbean, Middle East and North Africa, and Sub-Saharan Africa. The nine risk factors were overweight and obesity, low fruit and vegetable intake, physical inactivity, smoking, alcohol use, unsafe sex, urban air pollution, indoor smoke from household use of coal and contaminated injections in healthcare settings.
Christina Roache | EurekAlert!
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A newly developed laser technology has enabled physicists in the Laboratory for Attosecond Physics (jointly run by LMU Munich and the Max Planck Institute of Quantum Optics) to generate attosecond bursts of high-energy photons of unprecedented intensity. This has made it possible to observe the interaction of multiple photons in a single such pulse with electrons in the inner orbital shell of an atom.
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A group of researchers led by Andrea Cavalleri at the Max Planck Institute for Structure and Dynamics of Matter (MPSD) in Hamburg has demonstrated a new method enabling precise measurements of the interatomic forces that hold crystalline solids together. The paper Probing the Interatomic Potential of Solids by Strong-Field Nonlinear Phononics, published online in Nature, explains how a terahertz-frequency laser pulse can drive very large deformations of the crystal.
By measuring the highly unusual atomic trajectories under extreme electromagnetic transients, the MPSD group could reconstruct how rigid the atomic bonds are...
Quantum computers may one day solve algorithmic problems which even the biggest supercomputers today can’t manage. But how do you test a quantum computer to...
For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.
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Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale
Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...
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