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BIOLOGY NOTES FOR FORM TWO
Click the links below to view the notes:
TOPIC 1 - CLASSIFICATION OF LIVING THINGS
TOPIC 2 - NUTRITION
TOPIC 3 - BALANCE OF NATURE
TOPIC 4: TRANSPORTATION OF MATERIALS IN LIVING THINGS
TOPIC 5: GASEOUS EXCHANGE AND RESPIRATION
WAYS TO STAY HEALTHY - PART 2
6. Reduce Sitting and Screen Time
Exercise
can’t immunize you from your sedentary time. Even people who exercise regularly
could be at increased risk for diabetes and heart disease and stroke if they
spend lots of time sitting behind computers. Practically speaking, you could
consider taking breaks from sedentary time, such as walking around the
office/room a couple of times in a day.
7. Consume less salt and sugar
Most
people get their sodium through salt. Reduce your salt intake to 5g per day,
equivalent to about one teaspoon. It’s easier to do this by limiting the amount
of salt, soy sauce, fish sauce and other high-sodium condiments when preparing
meals; removing salt, seasonings and condiments from your meal table; avoiding
salty snacks; and choosing low-sodium products.
On the other hand, consuming excessive amounts of sugars increases the risk of
tooth decay and unhealthy weight gain. In both adults and children, the intake
of free sugars should be reduced to less than 10% of total energy intake. This
is equivalent to 50g or about 12 teaspoons for an adult. WHO recommends
consuming less than 5% of total energy intake for additional health benefits.
You can reduce your sugar intake by limiting the consumption of sugary snacks,
candies and sugar-sweetened beverages.
8. If
you drink alcohol, do so responsibly
While
an occasional alcoholic drink likely won’t affect your health, drinking too
much alcohol can take a heavy toll on many of your organs.
Overconsumption
of alcohol can damage your liver, brain, and heart, and also increase the risk Trusted Source of several types of
cancer, including breast,
colorectal, and liver cancer. Heavy drinking can also negatively impact your
mental health.
- Drinking too much can interfere
with the brain’s communication pathways, and can affect the way the brain looks
and works.
- Heavy drinking takes a toll on the liver, and can lead to a variety of problems and liver inflammations
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