Thanks for your query.
You do not think of the levels of nicotine
It is of less help to you.
Nice to hear that you stopped smoking
for the past three years and continue with it.
Smoking is responsible for many cancers and lung pathologies.
Since you quit smoking, substitute with rich antioxidant foods which boost your health.
Hope I have answered your query.
I will be available for your follow up queries if any.
Wishing you good health.