Lesson 70 of science


Sugar is a group of carbohydrates and can be found in glucose, sucrose, lactose… The more sugar intake the higher the possibility of heart disease. When sugar metabolizes it changes  carbohydrates into fat. Sugar affects both body and brain.


Your adrenal glands release the stress hormones adrenaline. Adrenalin causes your heart to beat faster and raises your blood pressure. Stress can disturb your natural rhythmic contractions and can make you more sensitive to acids and can cause heartburn.


Smokers are more likely to get lung cancer, strokes, and heart disease. Smoking damages blood vessels and can make them thicken and grow narrower.This makes your blood pressure rise and your heart beat faster and clots can form. 


An overdose in painkillers can cause death or even trouble breathing. Painkillers reduce the brain’s recognition of pain. Withdrawal symptoms of painkillers include panic attacks, depression, tremors, cold flashes, flu like symptoms, paranoia, respiration problems, weakness, and excessive sweating.


There are 4 stages of drug intoxication.stage one is when they are just experimenting and will act differently between drug uses. Stage 2 is when doing drugs becomes more regular. They will probably become hung over more and have frequent memory loss. Stage 3 is when the addiction becomes daily and will be using harder and more expensive drugs. Finally stage 4 in when they will become fairly violent and will deny a problem with drugs

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