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It is absolutely normal

Given the concerning trends highlighted in this report, including the first increase in cigarette sales in two decades, the Commission will continue to expand its approach in reporting shifts in the tobacco industry, the FTC said

"If we find evidence of anti-competitive activity we are prepared to use the appropriate powers to punish the companies involved to deter other businesses from taking part in such behaviour." He said the allegations, if proven, amounted to "a serious breach of the law"

Not all leukoplakia becomes cancerous, but the association with smoking means these patches require proper assessment, not simply monitoring at home