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Different weather makes people feel different. It influences (影响) health, intelligence and feelings.

In August, it is very hot and wet in the southern part of the United States. 1． In the Northeast and the Middle West, it is very hot at some times and very cold at other times. People in these states have more heart trouble after the weather changes in February or March.

The weather can also influence intelligence. For example, in a report by scientists, IQ of a group of students was very high when a very strong wind came; but after the strong wind, their IQ was 10% lower. 2． Very hot weather, on the other hand, can make it lower. Students in many schools of the United States often get worse on exams in the hot months of the year (July and August).

Weather also has a big influence on people’s feelings. Winter may be a bad time for thin people. They usually feel cold during these months. They might feel unhappy during cold weather. 3． They even don’t like to do outdoor activities.

Low air pressure may make people forget things easier. 4． There is “good weather” for health. People feel best at a temperature of about 18℃.

Are you feeling sad, tired, forgetful or unhappy today? 5． The more information about weather we know, the better. It can make us understand ourselves better.