Carbohydrates:
Needed for release
of energy, found in
pasta, bread ect.
Fat: Needed for
energy, found in
fried food
Protein:
Needed to help
us grow, found
in fish and meat
ect.
Vitamins: Needed
for healthy cells,
found in oranges
(vitamin C)
Minerals: Needed
for strong bones and
healthy cells, found in
Milk, dairy and liver
Fibre: Needed
for digestive
system, found in
wheat
Water: Needed for hydration
A balanced diet means eating all 7 food
groups in the correct proportions. It varies for
different people.
Deficiency disease: lacking a certain nutrient, it affects your health.
Exercise:
If you exercise a
lot you will need a
lot of carbs to
replace energy.
Your metabolic
rate is the rate
at which
chemical
reactions
happen in your
cells.
Depends on: Inherited from
parents, proportions of
muscle to fat in your body,
your gender and the amount
of exercise you do.
Weight and health:
BMI= Body mass (kg)/ (height)^2 (m)
Obesity: Excess energy is stored as
fat, too much fat causes problems
such as diabetes- type 1 _inherited
and type 2_if overweight, arthiritus,
high blood pressure and heart
disease.
Malnutrition: Taking in less energy than you use,
need a lot of energy, lacking in vitamins,
minerals and proteins, immune system can't
work properly, if female your periods will stop,
hair falls out, gain deficiency disease eg. scurvy,
extremely thin.
Main ways to lose
weight: Reduce
energy intake,
increase amount of
exercise
Eating disorders: Anorexia Nervosa- restricts
what they eat. Bulimia Nervosa- when they
vomit straight after eating. Leads to- weight
fluctuations, poor skin, hair loss, irregular
periods and tiredness.
Cholestrol: LDL=BAD.
HDL=GOOD. It is a waxy fatty
substance, it clogs up arteries
that can lead to a heart attack. If
it stops from going to your brain
it causes stroke.