You inhale more than 4000 chemical substances each time you smoke.
Many of them remain in your lungs and stop them working properly.
Poisonous carbon monoxide squeezes the oxygen out of your blood.
That leads to shortness of breath and poor physical condition.
Caption and female voice over:
Even 10 minutes after smoking a cigarette, your muscle power is still down by 10%.
Not smoking is the better choice. Call 1805 31 31 31 for advice.
This video appears by kind permission of the Federal Centre for Health Education, Germany.