The number of years it takes a population to double in size. The number of births per year for every 1,000 people. The growth rate of a population; the difference between birthrate and death rate. A system in which tradition and custom control all economic activity; exists in only a few parts of the world today. The pattern of population in a country, a continent, or the world.
Quick Links. Spina Bifida Health Care Benefits Program. The Department of Veterans Affairs (VA) provides monetary allowances, vocational training and rehabilitation and VA-financed health care benefits to certain Korea and Vietnam Veterans' birth children who have been diagnosed with spina bifida (SB).
Physical signs of spina bifida may include: 1  Leg weakness and paralysis. 2  Orthopedic abnormalities (i.e., club foot, hip dislocation, scoliosis) 3  Bladder and bowel control problems, including incontinence, urinary tract infections, and poor kidney function. 4  Pressure sores and skin irritations. 5  Abnormal eye movement.