Tricyclic antidepressants (TCAs), which people also call cyclic antidepressants, are an older type of antidepressant that doctors prescribe to treat depression. Doctors prescribe them less frequently ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A midair collision between a U.S. Army Black Hawk helicopter and an ...

Obviously encouraged by the fact that no midair accidents involving commercial aircraft have taken place since traffic alert and collision avoidance systems (TCAS ...

Add Yahoo as a preferred source to see more of our stories on Google. What 'rush hour' looks like in New York on the TCAS system. (Alamy) Authorities believe everyone on board a passenger plane and a ...

Commercial planes have technology that helps prevent crashes — but it has limitations, which was highlighted by the accident in Washington. By Niraj Chokshi For decades, airlines, regulators, ...

The crash late Wednesday of American Eagle Flight 5342 near Reagan National Airport has brought fresh attention to a technology known as a Traffic Alert and Collision Avoidance System, or TCAS, which ...

What Are Tricyclic and Tetracyclic Antidepressants? Tricyclic antidepressants (TCAs) and tetracyclic antidepressants were some of the first medications to treat depression. The difference between ...

The first collision between airliners occurred in 1922 in France. The loss of both airplanes and all occupants proved the need for better air-traffic control. Following the accident investigation, ...

Weight gain is one of the potential side effects of antidepressants. Some antidepressant medications are more likely to affect a person’s weight than others. Antidepressants are the third most ...