What are cylinders in a car? They are the hollowed out shapes/areas in the motor block, which the pistons move up and down through. The petrol is let into the cylinder, when piston pushes up, the petrol eâ¦xplodes and pushes the piston down. The bigger the cylinder the bigger to push, the more powerful the motor.
1 One in 200 American women suffers from anorexia. 2  Two to three in 100 American women suffers from bulimia. 3  Nearly half of all Americans personally know someone with an eating disorder (Note: One in five Americans suffers from mental illnesses.)  An estimated 10 â 15% of people with anorexia or bulimia are males.
Anorexia nervosa is an eating disorder of unknown origin that most commonly occurs in women and usually has its onset in adolescence. It affects around 4200 people in NSW alone. Interestingly, before puberty, one in every four sufferers of anorexia is male.norexia has a high mortality rate (20% eventually die of the consequences of the disease) and one in five will at least attempt suicide. Sadly, anorexia nervosa currently has no definitive treatment.