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The teeth of people who smoke often show yellow or brown discoloration as opposed to the color of natural teeth

But by evaluating each on three different criteria, we can get a better idea of the forces at play

doi: 10.3389/fpubh.2025.1734137 Received 28 October 2025 Revised 02 December 2025 Accepted 03 December 2025 Published 08 January 2026 Volume 13 - 2025 Edited by Siddharth Sarkar, All India Institute of Medical Sciences, India Reviewed by Sultan M

By the early 1960s they were making everything from chocolates to vitamins

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As a result, there has been a shift towards reduced-risk products like e-cigarettes and heated tobacco products