The stateâs consumer use tax is the âother halfâ of the Virginia retail sales and use tax requirements. Typically, residents incur the use tax when they purchase more than $100 worth of items in a tax year, upon which they did not pay sales tax.
Osteoporosis is a progressive skeletal disease in which bones become thin, weak, brittle, and prone to fracture. Osteoporosis literally means âporous bones.â Thinning bones are caused by loss of bone density. Calcium and other minerals contribute to the bone mineral density that helps strengthen and protect bones.
Osteogenesis imperfecta. Osteogenesis imperfecta (OI), also known as brittle bone disease, is a group of genetic disorders that mainly affect the bones. It results in bones that break easily. The severity may be mild to severe. Other symptoms may include a blue tinge to the whites of the eye, short height, loose joints, hearing loss, breathing problems, and problems with the teeth.