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How Heat and Humidity Affect Your Body
When it's too hot and humid, your body works hard to cool down. The heart pumps faster, blood pressure drops, and dizziness or fainting can occur. This can be dangerous, especially for older people or those with heart conditions. For young, healthy people, it's not as big of an issue. However, extreme temperatures can lead to heat exhaustion. The body's internal temperature of about 100 to 103 degrees is when problems can start to arise.