heavy smoker how many cigarettes Prevalence (%) of Smoking vs Light Smoking, Ages 25-64,1985; Tobacco smoking - Wikipedia

This can lead to getting too much nicotine at once, which can make you feel lightheaded

And finally the Production Date.

While a standard factory cigarette only contains about 10 to 12 mg of total nicotine (of which a smoker only absorbs roughly 1 to 2 mg via the lungs), a handcrafted premium cigar contains a massive total payload because it consists entirely of dense, compressed whole-leaf tobacco

The research, published in the journal Tobacco Control, used data from over 53,000 people across Europe and showed that France had the highest use of e-cigarettes with one in five people saying they had tried the devices