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.steoporosis 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.
An employer's federal payroll tax responsibilities include withholding from an employee's compensation and paying an employer's contribution for Social Security and Medicare taxes under the Federal Insurance Contributions Act (FICA).
What Part B covers. Learn about what Medicare Part B (medical insurance) covers, including doctor and other health care providers' services, outpatient care, durable medical equipment, home health care, and some preventive services.ead about what Medicare Part A (hospital insurance) covers, including inpatient care at a hospital, skilled nursing facility (SNF), and hospice.