levo

Lifestyle and Health

Legal and illegal substances

  • 3 things to know
  • AS 2

Overview

Alcohol and units with a worked pint, binge drinking, nicotine and smoking, caffeine, prescription drug misuse, cannabis, cocaine and heroin, UK drug classes, and physical and psychological dependence.

What you need to know

Answer each one before you reveal it.

Your recallNot started
Key term

What is the difference between a legal and an illegal substance?

Key term

What type of drug is alcohol, and what are its short-term effects?

Key term

How does alcohol affect fitness and recovery?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What is the difference between a legal and an illegal substance?

    Model answer

    A legal substance can be bought or prescribed lawfully, such as alcohol, caffeine or nicotine. An illegal substance, such as cannabis or cocaine, is controlled by law and cannot lawfully be possessed.

  2. 2

    What type of drug is alcohol, and what are its short-term effects?

    Model answer

    Alcohol is a depressant that slows the central nervous system. Short-term effects include slower reactions, poor co-ordination and impaired judgement.

  3. 3

    How does alcohol affect fitness and recovery?

    Model answer

    Alcohol is a diuretic, so drinking after exercise worsens dehydration. Alcohol also slows muscle repair and adds energy without useful nutrients.

  4. 4

    How many units of alcohol are in a 568 ml pint of 5% lager?

    Model answer

    A pint of 5% lager contains about 2.8 units. The working is 5 × 568 ÷ 1000 = 2.84 units.

  5. 5

    What is binge drinking, and why is it harmful?

    Model answer

    Binge drinking is drinking a large amount of alcohol in one session. Binge drinking raises the risk of accidents, violence, alcohol poisoning and risky behaviour.

  6. 6

    What are the social effects of alcohol misuse?

    Model answer

    Alcohol misuse can lead to relationship breakdown, lost jobs and money problems. Drunkenness is also linked to violence, drink-driving and crime.

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Components of Fitness
Training Methods
Fitness Testing
Fitness Programmes and Exercise Sessions

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The change is called cardiac .
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AThe target heart rate is about 168 bpm.
BMaximum heart rate is 220 − 18 = 202 bpm.
CThe working is 0.75 × (202 − 65) + 65 = 167.75 bpm.

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Inspiration means breathing air into the lungs.
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