Ask your son to avoid
Soy rich foodsTofu, soya chunks, soy milkCruciferous vegetables Cabbage, spinach, cauliflower Nuts Pine nuts, pearl millets, peanuts Caffeine rich products Coffee, black coffee, green tea Fried/fatty foods Butter, red meat, fried food, fast food.
And start on anti hyperlipidemic drugs as per your endocrinology doctor or cardiologist doctors advice.
Also check with
thyroid hormone levels T3 and T4 to start on thyronorm tablet after confirmation from an endocrinology doctor .