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"Given that tobacco use is still the leading cause of preventable disease and death in the U.S., there's a lot at stake to ensure the public understands these risks." Erika Sward, assistant vice president of national advocacy for the American Lung Association, told NPR's Richard Harris, the warnings are "critically needed and long overdue." The organization sued the FDA to compel it to produce warning labels after the agency's first efforts failed

Cigarettes, as we know them today, were first introduced in the early 16th century

Cigarettes contain numerous toxic chemicals, and smoking is a leading cause of various serious health conditions, including cancer, respiratory diseases, and heart problems

Step 4: Material Replacement (When Necessary) Sometimes, smoke damage is too extensive for cleaning alone

Relative rates for CHD mortality were high for current smokers, even after adjustment for risk factors