A recent post had me researching this topic and I found some interesting articles/studies on it.
"The current studies found that nicotine withdrawal reduces secreted thyroid hormone levels by 9% in C57BL/6J mice."
"PARIS – Smokers who have recently kicked the habit could face a significant increase in the risk of developing new-onset hypothyroidism. The risk is greatest within the first 2 years of quitting, when it can run as high as 5 times the risk of someone who has never smoked..."
Risk of Hypothyroidism Rises With Recent Smoking Cessation | MDedge Internal Medicine
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4481724/
Vol 6 Issue 1 p.3 | American Thyroid Association
Weight Gained after Smoking Cessation May Be Caused by Onset of Hypothyroidism
Be informed!
Nancy