non communicable disease Flashcards
what is a non communicable disease
a non infectious disease that cant be caught from another person
what is a casual mechanism
something that explains how one factor influences another
what are the risk factors of cardiovascular disease
poor diet, smoking lack of excersize
what are the risk factors of type 2 diabetes
obesity
what are the risk factors of lung cancer
cmoking
what risk factors can affect an unborn baby
smoking and alcohol
what is meant by obesity
being overweight with a BMI over 25
what diseases are linked to ibesity
arthritis diabetes high blood pressure strokes
what are the risk factors of cancer
carcinogens and ionising radiation
what is cancer
a non communicable disease cause by a change in cells that lead to uncontrolable growth and division
what are benign tumours
growth of abnormal cells which are contained within one area by a membrane, they do not invade other parts of the body
what are mallignant tumours
growth of abnormal cells which invade neighbouring tissues and spread to other parts of the body in the blood where they form secondary tumours
how does cancer travel around the body
cells break off and travel in the blood
what is the difference between a malignant and benign tumour
benign tumours dont invade malignant do
why can smoking jncrease the risk of heart disease
it raises the blood pressure m, increases cholesterol and leads to thickening of the artery walls
why can smoking increase the risk of lung cancer
the chemicals in the smoke can cause mutations leading to uncontrolled growth of cells
why can smoking increase the risk of emphysema
smoking damages the alveoli causing the surface area to decrease, this causes shortness of breath
why can smoking increase the risk of lung cancer infections
chemicals in the smoke damage the cillia which causes mucus production to increase, causes shortness of breath and increased risk of infection
