There's been a market trend away from traditional cigarettes to devices like e-cigarettes and those which slowly heat and roast, rather than burn, tobacco
In addition, the industry lowered prices of its products to attract more customers
[11] Some e-cigarettes use a long lasting rechargeable battery, a non-rechargeable battery or a replaceable battery that is either rechargeable or non-rechargeable for power
Psychology, health & medicine 22 , 110120, (2017)
The esophagus carries food from the mouth to the stomach When refluxed stomach acid touches the lining of the esophagus, it causes a burning sensation in the chest or throat called heartburn.The fluid may even be tasted in the back of the mouth, and this is called acid indigestion