A 63-year-old African American male presents to the clinic for a physical. His past medical history is significant for morbid obesity, hypertension, hyperlipidemia, and diabetes. He admits to smoking...

A 63-year-old African American male presents to the clinic for a physical. His past medical history is significant for morbid obesity, hypertension, hyperlipidemia, and diabetes. He admits to smoking a pack a day, being a couch potato, and drinking two six-packs of beer per week. Which of his habits is arguably the most detrimental to his overall health?

A. Alcohol abuse

B. Cigarette smoking

C. Fast food

D. Not getting enough exercise