Write a one paragraph report, interpreting the following pie chart: The cause of premature death in the USA

The pie graph illustrated the reasons why people prematurely died in the USA In general, the most important caused were behavioral patterns and genetic predisposition. The biggest slice of the pie chart is taken up by the behavioral patterns. By contrast, the environmental exposure is the smallest reasons which make person early died in the USA. The unhealthy lifestyle is the biggest cause of premature death with the rate of 40%. Followed by the genetic predisposition and social circumstances factors at 30% and 10% respectively. The last is the environmental cause, accounting for 5%.