three packs of cigarettes a day From to Smokefree! How Many Cigarettes Do You

Subsequent generations of devices have evolved since then, ranging from e-cigarettes with prefilled or refillable cartridges (2nd generation) to rechargeable tank-style devices (3rd generation) with modifiable or Mods components 3,4,5,6

Think of it like sipping through a straw

[153] The FDA warned several e-cigarette companies for selling e-cartridges and refill solutions containing active pharmaceutical ingredients such as rimonabant (Zimulti) for weight loss purposes and reducing smoking, and tadalafil (for erictile dysfunction)

To help adult users to completely switch to alternative nicotine products, it is important the other alternatives provide effective nicotine delivery comparable or close to that of conventional/combustibles cigarettes 22,23