"However, as most components are not volatile, an uptake via the soil is much more likely
You might assume that those would be physical and psychological, but in fact all the really unpleasant symptoms that smokers experience when they quit are caused by a mental process, rather than the physical withdrawal from nicotine
It varies by tolerance
Key sources included the US Food & Drug Administration (FDA) Center for Tobacco Products, US Department of Agriculture (USDA) National Agricultural Statistics Service, US Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), European Commission Health and Food Safety Directorate (DG SANTE), European Monitoring Centre for Drugs and Drug Addiction (EMCDDA), World Health Organization (WHO) Framework Convention on Tobacco Control (FCTC), WHO Global Health Observatory, Centers for Disease Control and Prevention (CDC) Office on Smoking and Health, National Institutes of Health (NIH) National Cancer Institute, World Bank Global Tobacco Control Program, Euromonitor International, Tobacco Merchants Association (TMA), International Tax and Investment Center (ITIC), Trade Associations including Tobacco Manufacturers Association (TMA UK), Japan Tobacco International (JTI) Sustainability Reports, China National Tobacco Corporation (CNTC) Annual Reports, Ministry of Agriculture & Rural Affairs (China) Tobacco Division, Indian Ministry of Health & Family Welfare, Central Board of Indirect Taxes and Customs (India), Brazilian National Cancer Institute (INCA), Health Canada - Tobacco Control Program, Australian Department of Health and Aged Care - Tobacco Control, and national statistical agencies and health ministry reports from key markets including Russia, Indonesia, and Vietnam
