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.
Rickets is a bone disease that most commonly affects children who have low levels of vitamin D caused by poor diet or an inability to absorb vitamin D and calcium. The disease normally occurs during periods of rapid growth when the body needs more calcium for bone development.rittle Bone Disease. Osteogenesis imperfecta, also known as brittle bone disease, is a genetic bone disorder. The disease has eight different types, with varying symptoms. In Type 1, the most common form, the body produces insufficient quantities of collagen, a protein that helps make bones strong.