saturated fats , should bee taken in limitation .they can be bad because when eaten in excess, these fats have a tendency to adhere to the blood vessel, increrasing the cholesterol levels in the blood, if too much fat sticks to the blood vessel , itr cxan cause high blood pressure as well as formaytion of a fat cluster , will depriove tht cell of the normal blood flow, leading to cardiac attacs . hence its best to avoid these fats as much as possible , maintain the ratio of PUFA: MUFA:SFA. which is 1:1:1