Events
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- YF&R Leadership Conference in Grand Rapids, Michigan(10 days)
- DC Days 2012(26 days)
- WFB Annual Meeting(278 days)
- 2013 WFB Annual Meeting(649 days)
Microorganisms are now known to cause about 20 percent of all cancers.
Fact: True. Scientists estimate that smoking causes 33 percent of all cancers. Viruses, bacteria, fungi, and parasites, or the toxins they produce, are known carcinogens.