Accelerated blood LDL cholesterol level. Whilst the high thyroid function remains unchecked, it can boost patient’s cholesterol levels making them more liable to have a coronary heart assault or stroke. This will manifest because the frame requires thyroid hormones to not most effective produce LDL cholesterol however also to cast off the excess LDL cholesterol it does no longer need. Nevertheless, when hormones produced with the aid of the thyroid are low, the frame is not in a position to interrupt down and put off LDL cholesterol as efficiently.