In conventional medicine treatment of borderline hypothyroidism depends only on the TSH levels, however this approach is not optimal for many thyroid patients and borderline hypothyroidism should be treated in most if not all cases.
Southwest Airlines. Southwest has not reported a fatality in its operating history, according to the Consumer Warning Network, making it the safest major airline in the world. Southwest ranks at number two on ABCâs safest airline list as well, with a 0.0000203 percent chance of an incident on its flights. Like Southwest, Delta stands high both on the Consumer Warning Networkâs list and ABC Newsâs list: second and fifth, respectively.
The worst offender is the Boeing 757. A mid-sized jet, the 757 isnât nearly the size of a 747 or 777, but thanks to a nasty aerodynamic quirk it produces an outsized wake that, according to one study, is the most powerful of any airplane. To avoid wake upsets, air traffic controllers are required to put extra spacing between large and small planes.