Caffeine Taurine Guarana Popular brands Hundreds of different brands Most popular brands: Red Bull, Monster, Rockstar, Burn Effects on central nervous system Chronic daily headaches Agitation Irritation Psychosis Changes in mental condition Insomnia Hallucinations Cardiovascular effects Increase heart rate and blood pressure Dysrhythmia Promote cardiovascular diseases Effects on gastrointestinal tract and teeth Diarrhea and stomachache Vomiting Heartburn Obesity Dental erosion Good effects Low doses of caffeine Improve cognitive performance, mood Improve task speed and accuracy Increased attention and alertness Energy drinks and pregnancy Risk of miscarriage Stillbirth 100 mg per day Caffeine can cross the placenta Interactions with alcohol Caffeinated alcoholic drinks Mask the influence of alcohol Dehydration Energy drink – stimulant Alcohol – depressant Conclusion
f) I've been digging the garden and now my back aches/pains/injuries. g) Whenever I travel by boat I start feeling hurt/sick/sore. h) The doctor can't say what is wrong with you until she cures/examines/recovers you. i) Use this thermometer and take his fever/heat/temperature. j) I seem to have caught/infected/taken a cold. 2) Replace the words in italics with one of the words from the box. Use each word once only. Agony, body, breath, look, stomachache, beard, brains, heart, spine, tongue a) Janet fell from her horse and injured her backbone b) I had a very bad toothache, and was in great pain all night c) The police discovered the dead person buried in the garden d) One thing you can say about Ann, she has certainly got intelligence. e) They have a new house right in the centre of the countryside. f) Italian is actually Mary's native language g) Before I dived in the water, I took a deep mouthful of air
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