Countries such as Canada and some EU regions restrict higher-strength products, while others allow them without issue
Mark Stehr, Cigarette tax avoidance and evasion, Journal of Health Economics 24:2, (March 2005), 277-297, [4] Shu Wang, David Merriman, and Frank Chaloupka, Relative Tax Rates, Proximity, and Cigarette Tax Noncompliance: Evidence from a National Sample of Littered Cigarette Packs, Public Finance Review 47:2 (March 2019), 276-311
You will barely find stems and the tobacco is perfectly cut and moist
[Google Scholar] Betel quid chewing and the risk of oral and oropharyngeal cancers: a meta-analysis with implications for cancer control