FAQ

Does smoking affect metabolism

By PuffBye Editorial TeamLast updated Feb 2026Based on published research from CDC, WHO & NIH

Yes, smoking slightly increases metabolic rate by 7-10%.

Quick Answer

Yes, smoking slightly increases metabolic rate by 7-10%.

Detailed Explanation

This contributes to weight gain when quitting. However, health benefits far outweigh minor weight changes.

Key Facts

  • Metabolic rate normalizes within 2-3 months
  • Average weight gain is 5-10 pounds but manageable

What the Research Says

WHO confirms metabolism changes are minor compared to health benefits

Frequently Asked Questions

Will I gain weight when I quit
Possibly 5-10 pounds but this is healthier than continuing
How to prevent weight gain
Exercise, healthy eating, and NRT help manage weight

Sources & References

The information in this article is based on publicly available research and guidance from the following authoritative health organizations:

Sources accessed February 2026

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