Yes eating peanut butter can clog your arteries but only if you eat too much peanut butter.
If you eat peanut butter daily then it could lead to clogged arteries because peanut butter is pretty high in saturated fat which in large quantities can clog your arteries which can then lead to a heart attack, heart disease, stroke and even death.
Clogged arteries if left untreated can lead to heart disease, heart attacks, strokes and eventual death so if you think you have clogged arteries you need to see a doctor and get the arteries unclogged.
However peanut butter can be healthy for you in moderation because saturated fat is okay in moderation.
Peanut butter also contains vitamins, minerals, nutrients and even fiber and potassium which is all healthy for you.
But if you eat too much peanut butter then it could clog your arteries and make you less healthy.