health -part 2 - translate

Smoking is also the nguyên nhân hàng đầu of cancer.  Chuyên gia say forty percent of cancers could be prevented by tránh health nguy cơ like smoking and thuốc lá use.
Smoking also causes forty-two percent of cases of mãn tính respiratory disease, including hen suyễn, bronchitis and emphysema.  And, it causes ten percent of cardiovascular diseases, like bệnh tim mạch và đột quỵ.
The medical nghiên cứu community is continually reporting reasons why smokers should stop.  A recent study found that people who smoke are nearly two times as likely as người không hút thuốc to develop Alzheimers disease.  Alzheimers làm yếu or destroys trí nhớ and reasoning.
In the study, researchers khảo sát forty-three published studies about the link between Alzheimers disease and smoking.  They found that smoking increased the risk of Alzheimers developing by one and seven-tenths percent.  The researchers work at the University of California in San Francisco.  Their phát hiện were công bố in the Journal of Alzheimers Disease.
In an earlier study, seven thousand people were quan sát for an average of seven years.  Each person was fifty-five years or older.  Those who smoked were fifty percent more likely to develop memory sự mất đi than those who never smoked, or who had ngừng.