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.
The law requiring all drivers to wear their seatbelts came in to force 30 years ago today (31 January 2013) - on 31 January 1983. Car manufacturers have had to install seatbelts since 1965 but the law requiring drivers to wear them did not come in to force for another 18 years. In 1991 the law changed again making it a legal requirement for adults to wear seatbelts in the back of cars. Road Safety Minister Stephen Hammond said: