CBSE
Class 10 Class 12
Eating Disorders - (i) Anorexia Nervosa & Bulimia.
Anorexia Nervosa - It is a serious & potentially life-threatening mental illness. The eating disorder is characterized by self-starvation & excessive weight loss. It is caused by genetic predisposition & a combination of environmental, social & cultural factors.
Bulimia Nervosa:- It in eating Disorder characterised by recurrent binge eating followed by compensatory behaviour such as purging or consuming a large amount of food in a short amount of time followed by frantic efforts to avoid gaining weight. Self-induced vomiting, excessive use of laxatives, enemas or diuretics or excessive exercise.
Treatment:- Psychological Therapy, medication, Hospital treatment balanced Diet eating roughage Education etc.
Effects of Diet on Performance:
Good diet and nutrition can improve performance. Any diet which has all constituents of food, necessary for the maintenance and growth of the body in sufficient amount is important for all people busy in simple work or in highly competitive sports.
Eating for weight control:
A healthy weight is a weight that lowers your risk for health problems, generally body mass index (BMI) and waist size are good ways to achieve a healthy weight. Methods to calculate BMI - Weight in Kg/ (Height in m)2.
| Category | BMI |
| Under Weight | <18.5 |
| Normal Weight | 18.5 - 24.9 |
| Over Weight | 25 - 29.9 |
| Obesity Class I | 30 - 34.9 |
| Obesity Class II | 35 - 39.9 |
| Obesity Class III | 35 - 39.9 |
Food Myth/ Dieting Myths.
(i) Myth:- Low fat or no fat diet are good.
Fact:- Body needs fats for energy, tissue repair and to transport vitamin A.D, E.K. Just cut down on salivated fat eating unsaturated fats.
(ii) Myth Crash:- Dieting or Fasting may lose weight.
Fact:- it may be true in short term but ultimately it hinder weight loss. Loosing over the long-term burns off fat whereas crash dieting or fasting not only removes fat but who leans muscles.
(iii) Myth:- Food is eaten late night is more fattening.
Fact:- it doesn’t make much change.
(iv) Myth:- Low-fat milk has less calcium than full-fat milk.
Fact:- Skimmed and semi-skimmed actually have more calcium because it is in watery part and not in the creamy part of milk.
(v) Myth:- Vegetarian cannot build muscles.
Fact:- Vegetarian can build muscles as meat eaters by getting their proteins from vegetables such as cheese nuts pulses.etc.
(vi) Myth:- Healthy food is expensive.
Fact:- Tinned, stored, packed food is expensive, whereas local & seasonal food is inexpensive.
