Plus, it helps with air pressure changes that can hurt their ears. (bestcarseathub.com)
If your baby's ears seem to hurt from air pressure changes during takeoff and landing, encourage him to breastfeed or suck on a bottle, pacifier, or sippy cup. (babycenter.com)
North American studies of bat deaths and wind turbines have found bats are killed either by being struck by turbine blades or by air pressure changes caused by the turbines that burst blood vessels in their lungs. (windconcernsontario.ca)