The Use And Abuse Of Drugs ~ B1.3 Flashcards
What are the stages of developing a new drug?
~New drug is made in a laboratory
~Tested in a laboratory using cells, tissue culture and live animals for toxicity
~Drugs tested on healthy volunteers in clinical trials. Often very low doses of drug are given in initial trials to test toxicity
~If the drug is found safe, there are further clinical trials on humans to find the optimum dose
What is a double blind trial?
Some patients are given a placebo, which does not contain the drug (e.g. a sugar pill). Neither patients not doctor know who is given the placebo until the trial finishes.
What was thalidomide originally developed, tested and approved as?
A sleeping pill.
What was thalidomide found to be effective relieving as a second use?
It was found to be effective in relieving morning sickness in pregnant women.
For thalidomides second use, why was it banned?
As it was not tested on pregnant women, many babies were born with limb abnormalities after the pregnant mother had taken the drug.
What is thalidomide now used to treat?
Leprosy.
Why do some people use recreational drugs?
Some people like the effect the drug has on them.
What are some example of legal recreational drugs?
Nicotine and alcohol.
What are some examples of illegal recreational drugs?
Cannabis, heroin and ecstasy.
What can excessive alcohol consumption and binge drinking cause damage to?
The liver, which can eventually result in death.
What effects can drugs have?
Drugs alter the chemical processes in people.
What could happen if people become dependant on drugs?
They may experience withdrawal symptoms if they don’t have them (drugs)
What are some examples of withdrawal symptoms?
Paranoia, sweating and vomiting
What is cannabis?
An illegal recreational drug which is used for recreational purposes by many people. It is a relaxant and can cause hallucinations.
What are some harmful side effects for cannabis?
Bronchitis, emphysema, lung cancer and mental illness.
What is a performance enhancing drug?
Any substance used to increase a particular skill set e.g. Steroids