Answer:
Unhealthy diets, lack of exercise, and smoking.
The main reason for this is the lack of knowledge about mental disorders.
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George is running a 5-km race and his cells need more oxygen. The change that will help his body meet the increased demand for oxygen is his heart will start beating more quickly. This helps the oxygen get ferried throughout the system faster. The correct answer is A.
Attitudes to fitness are influenced by a number of factors.
