Final answer:
The keys to better health as you age include a balanced diet, regular exercise, and the avoidance of harmful substances like tobacco and excessive alcohol.
Step-by-step explanation:
The keys to better health as you age include a balanced diet, regular exercise, and avoidance of tobacco and alcohol abuse. A balanced diet is essential for supplying your body with the energy and nutrients needed daily for efficient functioning and disease prevention. This includes eating whole fruits, vegetables, and whole grains that are high in fiber and low in saturated fat, sodium, and sugar. Regular exercise is crucial in preventing lifestyle diseases and keeping the body's major systems and organs strong, thus improving their capacity to fight disease and function efficiently. Avoiding tobacco and limiting alcohol consumption also play a significant role in maintaining respiratory health and preventing diseases.