The sinuses are cavities, or air-filled pockets, near the nasal passage. Like the nasal passage, the sinuses are lined with mucous membranes. There are four different types of sinuses: 1  Ethmoid sinus. 2  Located inside the face, around the area of the bridge of the nose. 3  This sinus is present at birth, and continues to grow. 4  Maxillary sinus.
AARP Social Security Resources. If you and your spouse file a joint return with a combined income below $32,000, your benefits are out of reach. For income between $32,000 and $44,000, up to 50 percent of benefits may be taxable, and up to 85 percent if combined income is more than $44,000. For more information, go to Social Security's website.
According to the September 2013 statistics released by the Social Security Administration, you are now in the company of 39,313,000 individuals aged 65 or older receiving Social Security benefits. As a general rule, Social Security benefits are not taxable if they are your only source of income during a year. But if you have investment income or earned income, then up to 85 percent of your Social Security benefits may be taxable, depending on your filing status and the amount of the income.