non communicable diseases Flashcards
risk factors for increased rate of disease
age
genetic make up
aspects of lifestyle e.g. diet, inhaling carcinogens
environmental factors e.g. ionising radiation
benign tumor
grows in one place although doesn’t invade other tissue it still is dangerous
malignant tumor
cells can spread to healthy tissue- cancer
causes of cancer
genetic factors e.g. breast factors
mutation in genes caused by carcinogens
ionising radiation e.g. sunbeds
virus infections
what does tobacco smoke contain
nicotine- addictive
carbon monoxide- toxic gas
tar- sticky black substance that accumulates in the lungs
chemicals that anaesthetise the cilia in the airways
problems caused by smoking
blood carries less oxygen- breathlessness
mucus builds up in airways containing dirt & pathogens
bronchitis
tar can damage alveoli
can cause cancer
what can obesity lead to
type 2 diabetes
high blood pressure
heart disease
why does regular exercise reduce your risk of developing cardiovascular disease
improves the blood supply to heart so heart is fitter
builds muscles tissue, which increase your metabolic rate so less likely to be overweight
lowers blood cholesterol levels which reduces fatty deposits in blood vessels
why is alcohol bad
enters the blood stream and goes to all parts of the body including brain and liver
affects the nervous system
heavy drinking can cause liver to become damaged
long term alcohol abuse can cause damage to the brain