Dressing up in layers also makes it harder to motivate yourself to exercise because a coat can easily hide any problem areas and banish the thought of exercise until spring.
Girls were also concerned about what their friends thought about exercise, and said getting sweaty was not feminine.
Strenuous exercise was thought to kill by exhausting healthy hearts, and competitive sports were out of step with flower power.
Many of the health benefits of exercise are thought to be due to the synthesis of damage-controlling molecules called heat-shock proteins, and Dr Rattan's group has been experimenting with other ways of triggering these proteins.
More than 80 medical reservists from the West Midlands have been taking part in what is thought to be the largest training exercise of its kind in the last 10 years.
As I describe in Convince with Simple Fonts, the scientists showed subjects a two-line description of an exercise program and asked how long they thought it would take to perform.
Moving also requires shifting institutional thought, especially the idea in education that physical exercise is in competition with academics for a slot in the curriculum instead of an essential ingredient of academic performance that begins with increasing general physical activity.
Iraq has shown that the exercise of power is harder than the administration thought.
As far as I can see this is not intended in any sense as a rather sick academic exercise in stretching the bounds of what could be thought.
Professor West said many smokers thought the symptoms of COPD - such as a smokers' cough or becoming breathless during exercise - were normal.
He said he thought the change would make no difference to residents or visitors but was "more of an exercise in making the face of Sark more acceptable to the outside world".
"The mere potential for the exercise of that power casts a chill, a chill the First Amendment cannot permit if free speech, thought, and discourse are to remain the foundation of our freedom, " Justice Kennedy added.
应用推荐