Biology B1 3.2 How effective are medicines?

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What are statins?
Statins are drugs which lower the amount of 'bad' cholesterol in the blood.
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What effect has the use of statins had on the population?
Trials using very large numbers of people have shown their use has lowered cardiovascular disease (heart disease and strokes) in the population by over 40%.
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What should double-blind trials be used for?
To check if both non-prescribed and prescribed drugs actually work.
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Who are statins usually given to?
Older people and are taken daily.
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What do some people choose not to take drugs which are prescribed by doctors?
They often prefer to take herbs.
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What herb is used to treat depression?
St John's Wort.
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What s Prozac?
A prescribed anti-depressant.
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What is the only way to be sure that St John's Wort works as well as or better than Prozac?
By conducting a double-blind trial.
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Why do doctors prescribe statins?
To reduce the levels of 'bad' cholesterol and reduce the risk of heart disease.
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Why should herbal remedies be tested in a double-blind trial?
To check that they work as well as a tested drug.
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Card 2

Front

What effect has the use of statins had on the population?

Back

Trials using very large numbers of people have shown their use has lowered cardiovascular disease (heart disease and strokes) in the population by over 40%.

Card 3

Front

What should double-blind trials be used for?

Back

Preview of the front of card 3

Card 4

Front

Who are statins usually given to?

Back

Preview of the front of card 4

Card 5

Front

What do some people choose not to take drugs which are prescribed by doctors?

Back

Preview of the front of card 5
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