Multiple system atrophy is a complex condition that is likely caused by the interaction of multiple genetic, environmental, and lifestyle factors. Some of these factors have been identified, but many remain unknown.
Mandatory Seatbelts According to the U.S. Department of Transportation, in July 1984, New York State passed the first mandatory seatbelt law in the nation, followed by New Jersey, Illinois, Missouri, Michigan, and New Mexico.
In 1989, wearing rear seat belts became compulsory for children under 14. In 1991, when it became compulsory for adults to wear seat belts in the back of a car, there was an immediate increase from 10 per cent to 40 per cent in observed rear seat belt wearing.n 1991, when it became compulsory for adults to wear seat belts in the back of a car, there was an immediate increase from 10 per cent to 40 per cent in observed rear seat belt wearing.