A nurse is teaching young adults about health risks. Which statement from a young adult indicates a correct understanding of the teaching?

A. A family history of appendicitis does not significantly increase the likelihood of developing appendicitis. This statement shows a misunderstanding of genetic risks. B. Stress is a known risk factor for various physical and mental health issues. Managing stress effectively can reduce the risk of illnesses such as hypertension, heart disease, and anxiety disorders. C. Smoking at any age increases the risk of cancer, regardless of the individual's age. D. Caffeine is indeed a drug, and this statement reflects a misunderstanding of what constitutes a drug.