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.
A year later the Society of Automotive Engineers appointed their first Motor Vehicle Seat Belt Committee. It was in 1955, as well, that California became the first state to require all new cars to come equipped with lap belts.