While quitting smoking is obviously the best option to improve health, reserachers report that smoker may benefit from a daily probiotic to boost the activity of natural killer cells, a key component of the immune system.

While quitting smoking is obviously the best option to improve health, reserachers report that smoker may benefit from a daily probiotic to boost the activity of natural killer cells, a key component of the immune system.

Original article and pictures take https://nutraingredients-usa.com site