Timothy Is an Overweight Business Systems Analyst Who Jogs for 45

Timothy is an overweight business systems analyst who jogs for 45 minutes nearly every morning, drinks only black coffee and water, and is fond of broccoli and tofu. What should he do to reduce his cancer risk?

A) Limit his consumption of broccoli and tofu
B) Reduce his calorie intake to achieve a healthy weight
C) Switch to decaffeinated coffee or herbal tea
D) Include weight training and stretches in his fitness routine