https://www.americanheart.org/presenter.jhtml?identifier=4563
American Heart Association: Hvorfor Quit Smoking
https://www.heart.org/HEARTORG/GettingHealthy/QuitSmoking/QuittingSmoking/Why-Quit-Smoking_UCM_307847_Article.jsp
American Heart Association: Velg et sunt Lifestyle
https://www.heart.org/HEARTORG/Conditions/Diabetes/PreventionTreatmentofDiabetes/Choose-a-Healthy-Lifestyle_UCM_313880_Article.jsp
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