单项选择题

The World Health Organization says lifestyle factors are at the root of the non-communicable disease crisis, which is responsible for millions of premature deaths every year. WHO is calling for global action to combat this epidemic.
The World Health Organization breaks a common misperception. It says non-communicable diseases or NCDs do not mainly afflict affluent people. On the contrary, it says 80 percent of all NCDs occur in lowand middle-income countries.
WHO says non-communicable diseases are preventable. It reports up to 80 percent of heart disease, stroke, and type 2 diabetes and more than one-third of cancers could be prevented by eliminating the major risk factors. These include tobacco use, unhealthy diet, physical inactivity and the harmful use of alcohol.

What is the "common misperception" the WHO breaks().

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