New Delhi, July 31 -- Just hours ago on Wednesday, July 31, a Delta Air flight had to make an emergency landing after being hit with severe turbulence, leaving at least 25 passengers injured.

Reports of flight turbulence aren't uncommon, but they have become more frequent and severe over the past few years.

Death as a consequence of turbulence is also extremely rare. According to BBC News, there are no official figures on deaths caused due to turbulence, but it is estimated to have been roughly four deaths since 1981.

Injuries, however, tell a different story. Passengers caught in incidents of severe turbulence often end up with bruises, gashes and broken bones. If they're lucky, it is all they endure.

Of the severe injuries caused to...