Untreated, it can lead to other serious health problems such as goiter (enlargement of the thyroid gland) which may eventually make it difficult to swallow or breathe. Untreated hypothyroidism can also increase your risk of heart disease, an enlarged heart, and heart failure.
Sales Tax Deduction for Vehicle Purchases. 2010 update: Pub. 919 no longer contains Worksheet 10. Eligible taxpayers may use Schedule L, Standard Deduction for Certain Filers, to figure their new motor vehicle sales tax deduction. Find it in Prior Year Forms & Pubs.
If you're not using your car for business, you can only deduct your car registration fee if it's calculated based on the value of your car, because then it qualifies as a personal property tax. For example, if your state bases the registration fee on the Blue Book value of your car, it's deductible.