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Atherosclerosis (risk factors (Non modifiable (Genetic based), modifiable…

- - - - Smoking
        
        Carbon Monoxide
        
        Binds to haemoglobin
        
        Reduces the amount of Oxygen in RBC's
        
        Combines with narrowing to be lethal
        
        Nicotine
        
        Stimulates adrenaline
        
        increases heart rate
        
        Causes vasoconstriction
      - inactivity
        
        most common risk
        
        Only 30% of men and 20% of women do sufficient exercise
      - Salt
        
        The body needs 6g of salt a day
        
        high salt makes the kidneys retain water, thus keeps more in the blood, thus raises pressure
      - Alcohol
        
        Heavy drinking increases CHD
        
        Can cause irregular heart beat
        
        contributes to obesity
        
        raises blood pressure
        
        can directly damage brain liver and heart tissue