1. GCSE PE Drugs – Part 1

3. Starter activity Underweight Overfat Overweight Obese Anorexic

5. Socially acceptable drugs The three most important drugs that are considered to be socially acceptable are: Alcohol Tobacco (nicotine) Nicotine is a legal drug, though it is slowly becoming less socially acceptable. (How/Why?) Nicotine raises the heart rate and blood pressure. Alcohol is socially acceptable in most sections of society. However it is banned in many sports for safety reasons – it acts as a sedative, slowing reactions and impairing judgement. Caffeine Caffeine can be found in coffee, tea and energy drinks. Generally used to stimulate your body and mind.

6. Smoking – what’s in a cigarette?

7. Smoking – what’s in a cigarette? Nicotine is a mild poison. It makes your blood pressure and heart rate rise – this can make new smokers dizzy. It is highly addictive, which is why it is difficult to give up smoking. Tar is a mixture of chemicals (formaldehyde, arsenic and cyanide to name a few). When cigarette smoke is inhaled, tar is left behind in the lungs. It causes many serious diseases. healthy lungs smoker’s lungs

8. Smoking – what’s in a cigarette? Carbon monoxide is an odourless, tasteless, poisonous gas. It bonds with red blood cells in the same way that oxygen does, except that the bond is permanent . Blood cells carrying carbon monoxide can no longer transport oxygen , therefore reducing the amount of oxygen the blood can carry. Up to 15% of a smoker's blood may be carrying carbon monoxide instead of oxygen. This means the heart has to work harder, putting strain on it and causing circulation problems. It also makes smokers tired and breathless, reducing cardiovascular endurance. Smokers tend to be at a disadvantage in sports that require an efficient and healthy cardio-respiratory system.

9. Smoking – what’s in a cigarette?

11. Alcohol All alcoholic drinks contain a chemical called ethanol . This is what makes people ‘drunk’ . It doesn’t do much harm in small quantities, however larger quantities are dangerous. Binge drinking is drinking more than 4 alcoholic drinks in one session. Alcohol puts strain on your body, making you unwell – that’s why heavy drinkers may be sick and later suffer from a ‘hangover’ . However, alcohol also has more serious effects, both short- and long-term.

16. The effects of alcohol on performance