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They have a mood-altering effect on the brain, increasing dopamine in the striatum at a similar magnitude as nicotine, by 150% to 200%

It defines "current smokers" as individuals who have smoked at least 100 cigarettes throughout their lifetime and have smoked on at least a few days within the past year

Br J Haematol 124(6):762-8, 2004

Molecularly, EMT is characterized by downregulation of epithelial junction proteins (e.g., E-Cadherin and Occludins) and activation of EMT transcriptional activators (e.g., Snail, Slug, and Twist) and mesenchymal markers (e.g., S100A4, Vimentin, Fibronectin, and N-Cadherin) [63]

3 Singh, P., Vaidya, R., & Mandal, S

If your heater is older and needs frequent repairs, replacement may be the smarter long-term option