Which Four Healthy Lifestyle Behaviours Have Been Suggested to Increase

Which four healthy lifestyle behaviours have been suggested to increase the number of years lived free from chronic disease?

A) Physical activity, never smoking, body mass index < 25 kg m⁻², moderate alcohol consumption
B) Physical activity, not currently smoking, body mass index < 25 kg m⁻², healthy diet
C) Physical activity, never smoking, body mass index < 30 kg m⁻², healthy diet
D) Physical activity, not currently smoking, body mass index < 30 kg m⁻², moderate alcohol consumption