Final answer:
Mexican-Americans consider coughing, sweating, and diarrhea as a normal part of living rather than symptoms of ill health.
Step-by-step explanation:
The specific reason why coughing, sweating, and diarrhea are considered normal for some individuals of Mexican-American origin is because they view these symptoms as a part of normal living rather than symptoms of ill health.
This cultural belief and perspective can influence their perception of what is considered normal and healthy. It is important to remember that different cultures may have different interpretations of symptoms and illness.