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Class notes

Grade 12 IEB Nutrition Notes

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Comprehensive notes on all grade 12 IEB nutrition content. Written according to 2026 SAGS, please check for accuracy.

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, Heart Health

·




High blood cholesterol

·




leads to build up of chol .
In arteries' walls

-




increases risk ofa attack I stroke ; blocks arteries

-


influenced by (saturated) fat in diet


smoking
·




-




biggest cause ofa f discuse


life risk
I Cy shorter
: more more
-
=
=
5 S . min cigs

-




lyr smoke
= 1 month life

·


no exe rc i s e lover weight


regular exercise improves p longa muscle function
,



also reduces
up ,
weight a cholestera

overweight high up cholesterol a chance of diabetes = risk
=
increases -
-




, ,




·




High BP


Silent killer no symptoms
-


=




-


increases work for M causes muscle to thickend arteries to stretch
,


-



overweight too much s a l t- hypertension
stress
·




It i s risk factor doesn't
-



a cause
,


-




balancing responsibilities , reducing other risks = "I




The Heart Mark


·




many diseases (diabetes ,
af discuse /attack, stroke concert
,




·



prevented by clean eating no smoking not much alcohol regular exercise
, , ,



If
·




mark-guideline for consumers to see what food is a healthy
=
low cholesterd ,
saturated fat salt
,
/high in fibre
,
low in sugar

·




everything with Hm
symbol is approved for the foundation eating plan

symbol confirms that the product
·




-


meets nutritional standards



-has undergone independent lab testing
·


Benefits


adds marketing value


lets consumers identify healthier foods
-




see



-



reduces of disease/attack high Bplcnol diabetes
, ,


-




affiliation with HFSA Creputable)

web
marketing
exposure : HFSA events (NDAW)

marketing material
-


HFSA info


is incl In
every food graup
·

.




How to
apply
·
:




-




complete application form (confidential)
-



have product tested by independent lab (sABs)- your cost


If pass , you with HESA for year
-



1
you sign


they can
get you to test at cost whenever
your
-




-




you can use their symbol (with approval) on
packaging /marketing

,Exercise

·




maja factors leading to attack/disease

Inactive people have risk of a
·




2x attack

·

O is a muscle
,
needs to
stay fit :
active person
=

45/sobpm & Inactive person =
Tolisbpm

to improve cardiovascular fitness rhythmic/repetitive-best (walk jog bike swim dance jumpropel
·




, , , , ,
,


·




this is aerobic exercise
=
M O2 & energy in blood a strengthens &




Coronary Heal Disease


responsible for greatest no. of deaths in lifestyle diseases


build-up fatty leading to (otherosclerosis) and patial blood flow block
deposits arteries
narrowing
·




of in
,



↳ cuts heart-heart attack
off O2 to




Risk Factors


high cholesterol
·




hypertension
·




smoking




e exeras

family history




·mom eggs
an an




Consume Vitamins A C E Contioxidants)
·




, ,




Increase amega 3 and water-soluble Fibre

, Cholesterol

What is it ?


-



waxy ,
fat-like substance that body needs

made by liver absorbed from diet
,
-




-too much: builds up in artery walls risk for o disease/stroke
,




produced
LDL vs HDL cholesterol
natually genetic
/stroke
G ,



-


LDL = Low
Density Lipoprotein bad be it builds up marrows blood vessels =
& attack
,

-



HDL =
High Density Lipoprotein good be it gathers extra chol I takes
.
back to liver for breakdown & removal can also reverse
, ,

blocking
·


reduce chol .
levels (normal =
4 Smmol
.




; 2-3mmol of LDL +
Immol of HDL / L of blood) by LBL
-


unsaturated fat saturated fat (sat Fat .
↑ LDL)
·



m o re complex carbs

-



m o re fresh fruitley (with skin)
-


regular exercise




factors contributing to cholesterd


-genetics ,
interited condition


high intake of animal fat / high chol .
Foods

-food cooked with lots of fat




consequences of cholestera

-




build up in artery , narrowed
=
② Attace/stroke
-




High BP
Kidney failure death
, ,




lifestyle changes with cholesterd

-




include low/unsaturated fat

fibre
-




increase


3
-




Omega


dark green leafy =
lower cholested
-




Fruitlved
-




more


-healthy weight

regular exercise
-




-



no smoke vape = cholestero

-

reduce stress

-




consume moderate alcohol




foods M in cholesterd

butter cream meat fat land shellfish offal chicke skin coconut all
palm all full
dairy
-




, , ,
, prawns , , , , ,
,
c re a


-
should not exceed 300mg/day

Foods Y in cholesterol :




-




only fish ,
ava
,
nuts , seeds , veg als

Document information

Schooljaar
200
Uploaded on
October 29, 2026
Number of pages
39
Written in
2026/2027
Type
Class notes
Professor(s)
Ieb
Contains
All classes
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