2. Diet - the basics
Healthy diets are balanced in the context of
Proteins
– build muscle and cells
Carbohydrates- starch and sugars - energy
Fats and oils – cell membranes and energy
Minerals and vitamins - health
Fibre – helps food move through the intestine
Water – hydration of the body
12. Health and Body image
What factors influence how we see ourselves?
Advertising?
Models, film stars or famous people?
Popular music culture
Who are most vulnerable to images of so called
‘desirable’ body shape and size?
15. Lack of food and health
problems
Deficiencies
– there are so many you don’t need
to know any – (Scurvy – lack of vitamin C is one)
BUT you must know that ‘starvation’ causes:
Reduced
Irregular
resistance to disease.
periods in women -
16. Obesity
How
would you describe an obese
person?
Where does
being overweight
stop and obesity start?
17. Obesity – is also malnutrition
However it can be linked to a
persons genes, some
families are more likely to
become overweight without
careful dietary control,
particularly when linked with
poor exercise routine
18. TOO MUCH FOOD AND TOO LITLE
EXERCISE WILL LEAD TO
Arthritis
– worn joints
Diabetes – high blood sugar level
High blood pressure
Heart
and blood vessel
disease (cardiovascular)
19. A question of balance
To maintain your weight
Energy intake = energy output
Does a bricklayer need to eat more than a teacher?
Do Eskimos need to eat more high energy foods than us?
21. Body mass index
Doctors can assess whether people are obese
using BMI – however it is not totally reliable.
What is your BMI?
BMI = weight Kg ÷ height2 m2
BMI Categories:
Underweight = <18.5
Normal weight = 18.5-24.9
Overweight = 25-29.9
Obesity = BMI of 30 or greater