why do mlb players chew tobacco California tells players: No more chewing MLB: Tony Gwynn's Death and
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[9] Always visually confirm that it is safe to drive before backing up

Because I never said, 'That won't be me.' It's everybody, if you do it
If you are curious about learning more about other substances we often abuse (and that should be avoided, or at least checked carefully during pregnancy), here is an article

Michel C
Tobacco stock has done well, and $10,000 invested in Philip Morris in 1958 is now worth about $50 million

Without checking it, you might end up with cigarettes that are already stale or have deteriorated already