sentence2_structure: Smoking<>tobaccowould most likely have<>a negative impact on the ability of an individual$$$it<>decreases<>stamina and cardiovascular efficiency
sentence1: Such measures as weight loss, caloric restriction, physical activity, decreased alcohol consumption, and cessation of smoking, all of which decrease triglyceride levels, may also reduce cardiovascular risk independent of their effect on triglyceride levels.
sentence2: Smoking tobaccowould  most likely have a negative impact on the ability of an individual to succeed at physical activities because it it decreases stamina and cardiovascular efficiency.
question: How would smoking tobacco most likely have a negative impact on the ability of an individual to succeed at physical activities?