smokeless tobacco risks DVIDS - News Cigarettes, Smokeless Tobacco, and Vapes:
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The yellowing of teeth can be an issue for many people even though it is normal for teeth to change colour

Hypermobility EDS is difficult to distinguish from other hypermobility spectrum disorders, but a pelvic exam would not be sufficient to determine that Van der Veen or other athletes were suffering from any such disorders

However, a few smile-perfecting treatments such as veneers or implants might have been done

"Tobacco - Harvest, Curing, Processing | Britannica"
Instead of a steady release of the active ingredients, you introduce an unmeasured, unpredictable amount of chemicals into your system