Term
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Definition
*the rate at which your body uses energy needed to carry out chemical reactions.
*exercise increase metabolic rate |
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Term
| conditions which mean you need more food (energy) |
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Definition
*your size
*your sex
*the amount of exercise you do
*outside temperature
*pregnancy |
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Term
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Definition
*balance of the right foods needed
*malnourished if not getting healthy diet
*if you eat more than you need you get fat and have health problems |
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Term
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Definition
become obese
can suffer from
*arthritis (worn joints)
*diabetes
*high blood pressure
*heart disease |
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Term
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Definition
too much salt leads to increase in blood pressure.
cholesterol made in liver and amount made depends on diet, too much builds up in arteries & leads to heart disease
*lipoproteins carry cholesterol around body
*low density lipoproteins are bad
*high density lipoproteins are good |
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Term
*saturated fat
*mono-unsaturated and polyunsaturated
*statins |
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Definition
*saturated fat increase cholesterol
*mono and polyunsaturated help reduce cholesterol
*statins stop liver producing too much cholesterol |
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Term
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Definition
all drugs can cause problems and many are addictive
new drugs have to be tested over long periods of time
thlidomide was used as a sleeping pill and for morning sickness but it had very serios side effect on fetuses.
it is now used for leprosy |
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Term
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Definition
recreational drugs are used for pleasure
*heroin and cocaine are very addictive and illegal
*it is argued cannibus can lead to harder drugs
effect nervous system |
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Term
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Definition
used to control disease.
only available on prescription |
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Term
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Definition
slows down nervous system and reactions
too much leads to loss of control
loss of consciousness
long term damage of liver (cirrhosis) |
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Term
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Definition
*legal over 16
*nicotine in tobacco is addictive
*contains cancer causing chemical (carcinogens)
*carbon monoxide in blood reduces amount of oxygen in blood
*pregnant women who smoke have smaller babies |
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Term
controlling infectious diseases
Pathogens |
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Definition
*pathagens cause infectious diseases
*some bacteria and viruses are pathogens which reproduce causing poison (toxins) |
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Term
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Definition
discovered that infection could be transferred between patients
advised washing hands helps to stop spread. This took years to be accepted |
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Term
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Definition
white blood cells do 3 things
*ingest pathogen
*produce antibodies to help destroy pathogen
*produce antitoxins to neutralise toxin that pathogen produce |
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Term
| using drugs to to treat disease |
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Definition
*antibiotics kill infective bacteria eg penecillin
*viruses difficult to kill as they live in cells
*painkillers make you feel better but dont fight disease |
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Term
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Definition
*MRSA is super bug bacterium evolved in hospitals resistant to antibiotics
*some pathogens can mutate in new forms
*few people are immune to these new pathogens which can spread quickly -epidemic(across a country)
panademic (across countries) |
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Term
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Definition
takes time to test to make sure effective
if tests not thorough then can be dangerous |
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Term
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Definition
*vacination is where dead or inactive forms of an organism injected in body
*white blood cells react producing antibodies which makes person immune
some vacines are argued not to be safe eg MMR |
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