My husband have deranged lipid profile on rotine checkup..he has no symptoms .his elder brother had abdominal pain 1 yr ago ..and after all tests he diagnosed with hyperlipidemia..with triglyceride level 600mg/dl..my husband's triglyceride level is 500 mg/dl,vldl is 95mg/dl,l LdL 128mg/dl, total cholesterol is 248 mg/dl..is there need of medication?? or diet and routine exercise is enough for this ??is this is a familial hyperlipidemia type 4 catogory??we are vegetarian and taking nutricious food only..