WHAT ARE THE EFFECTS OF CAFFEINE ON THE BODY?
• Increases heart rate and pulse • Increases breathing • Increases adrenaline • Drinking tea or coffee is a social activity and can be enjoyable • It provides a welcome break from work and other activities • Feel awake and alert – especially in the morning • Feel less drowsy and tired • Concentrate better • Think more clearly Unwanted effects occur at higher doses but vary from person to person. A moderate caffeine intake may make a person feel that they are having a stressful day. Caffeinism is the name given to the effects of too much caffeine. It can occur with 250-750mg of caffeine and can cause the following: • Anxiety and nervousness • Sleep problems • Headache and tremor • Restlessness and irritability • Produces more stomach acid and urine – going to the toilet a lot • Nausea and stomach complaints (heartburn, indigestion, may aggravate ulcers) • Tense muscles • Palpitations and irregular heart beats (arrhythmia) • Increases blood pressure The symptoms of caffeinism are similar
