1930s : The earliest documented reference goes back to a patent filed in 1927 by Joseph Robinson
Although it remains to be seen to what extent the effects observed are related to the duration of smoking, in our previous work we have shown that at least the lower fatigue resistance in smokers was not related to the duration of smoking or smoking pack years 19
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So you push down on the thumb piece, the snuffer cap lifts up, and the flint wheel spins to give you a spark to light the wick all in one motion
Over time, the limitations and harms become clearer, whether that's unexpected medical complications, disappointing long-term outcomes, or risks that weren't fully understood when the treatment first came to market
