51.   This could help explain such things the brittle bones common among the aged, he said.

52.   This treatment substantially reduces the incidence of osteoporosis, a brittle bone disease that is a major cause of disability.

53.   Two more studies suggest that widely used cholesterol-lowering drugs may prevent brittle bones.

54.   Women smokers are more likely to be infertile or have difficulty getting pregnant, and risk an earlier menopause and brittle bones.

55.   Young men who jog regularly build strong bones and may be less likely to develop the brittle bone disease osteoporosis, a new study finds.

56.   Estrogen is normally given to women to avert brittle bones or heart problems that often occur after menopause, a treatment known as estrogen replacement therapy.