Answer:
A. Exercising often and eating a balanced diet
Maintaining a balanced diet and engaging in regular exercise are two fundamental activities that promote overall health and well-being. These habits support physical fitness, provide essential nutrients, and contribute to long-term health. Proper immunizations are also important for preventing specific diseases, but they are not a substitute for a balanced diet and regular physical activity. Eating only protein for your morning meal or eliminating calcium from your diet may lead to nutritional imbalances and health issues, so they are not recommended as the best activity for overall health
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