after

1 - California's gas prices are on a slow decline after spiking to a record high earlier this month.

2 - A massive layer of coagulated oil remains on the Gulf of Mexico's seafloor nearly five years after Deepwater Horizon.

3 - Your health risks start decreasing quickly after you stop smoking, and they continue dropping over time.

4 - People assume that after they quit smoking, it will take a long time for their bodies to get back to normal.

5 - British schools are under pressure to reform their lunch system after several points raised by new research indicated a negative impact of school lunches on student health.