However, not all flours are created equal: White flour is made from heavily refined and processed wheat grains, while whole-wheat flour is made from grains that have not undergone heavy processing. Whole-wheat and white flours differ in their nutritional value.
Medical Definition of Fear of flying. Fear of flying: An irrational fear of flying is called aerophobia. Aerophobia also refers to irrational fear of fresh air or drafts of air. From the Greek aero-, air or gas + phobos, fear. A virtual reality program that simulates the experience of take-offs, landings, normal flying and turbulence reportedly helps some people overcome their fear of flying.
Pilots who never venture into the flight levels tend to regard high-altitude flying in relatively simple terms. We all know what hypoxia is, though many of us have never experienced the symptoms ourselves in any meaningful way. Weâre aware of the FAA regulations requiring supplemental oxygen when flying above 12,500 feet for more than 30 minutes or any time above 14,000 feet â and so we make sure we stay below those altitudes.