give 2 paragraph about, awareness about tobacco consumption and cancer ???
Answers
The coughing, throat irritation, and shortness of breath caused by smoking have always been obvious.[citation needed] The idea that tobacco use caused some diseases, including mouth cancers, was initially, in the late 1700s and the 1800s, widely accepted by the medical community. In the 1880s, automation slashed the cost of cigarettes, and use expanded.From the 1890s onwards, associations of tobacco use with cancers and vascular disease were regularly reported; a metaanalysis citing 167 other works was published in 1930, and concluded that tobacco use caused cancer. Increasingly solid observational evidence was published throughout the 1930s, and in 1938, Science published a paper showing that tobacco users live substantially shorter lives. Case-control studies were published in Germany in 1939 and 1943, and one in the Netherlands in 1948, but widespread attention was first drawn by five case-control studies published in 1950 by researchers from the US and UK. These studies were widely criticized as showing correlation, not causality. Follow up prospective cohort studies in the early 1950s clearly found that that smokers died faster, and were more likely to die of lung cancer and cardiovascular disease. These results were first widely accepted in the medical community, and publicized among the general public, in the mid-1960s.
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