If the main aim of practitioners is to ensure the health of their patients, then an awareness of behavioural addiction and the issues surrounding it should be an important part of basic knowledge and training.

BBC: Why anything can be addictive

The suit said Gross was sent to Cuba without proper training or even basic knowledge of Spanish.

CNN: Cuba accuses U.S. of lying about jailed American's health

That includes the use of flight simulators and academic training to maintain basic skills and aircraft knowledge, Lingle said.

NPR: Federal Budget Cuts Ground Air Force Aircraft