A new shows the clamor of rush hour could be causing birds to age faster.
According to Geek.com, traffic noise increase the rate of telomere loss in zebra finches that have left the nest.
Telomeres are caps on the ends of chromosomes that protect genes from damage.
The shortening of telomeres indicates accelerated biological aging.
Study authors believe the time between 18 and 120 days after hatching is a critical period.
The animals are most affected by noise during that time.