how does the use of tobacco affect the human body Primary health effects from smoking. Figure 1 used with permission from The Many Dangers of Tobacco

The transition must be supervised by a medical professional who can assess your readiness for the switch

It is particularly important to know how to handle lithium-ion batteries, which are used in almost all modern e-cigarettes and vapes

Large evidence reviews have consistently found it to be one of the most effective treatments for helping people to stop smoking. Dr Ian Walker, executive director of policy at Cancer Research UK, added: Along with funding for cessation services, making tools like this available will help more people stop smoking

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US Department of Health and Human Services (2016)

Heffner spent almost six months on and off in two Honolulu hospitals, because she also developed a heart problem