Skeleton Diseases

Bones become weak due many reasons like

Aging

Poor eating Habits

deficiency of nutrients and minerals

Accidental injury causes fractures and long term disorders.

Skeleton is affected by following diseases in particular.  

Arthritis 

Arthritis is an inflammatory condition that affects your joints, such as the knees, or a portion of your spinal column. Typical symptoms of this condition include joint pain, swelling and stiffness accompanied by a reduction in the ability to freely move your joints. 

Bone Cancer

Bone cancer, though uncommon, is cancer that originates within a bone of  body causing bones to weaken. Individuals with bone cancer may experience fatigue, bone pain or frequent bone fractures. Though any bone can be affected by cancer, bone cancer most frequently occurs in longer bones, such as those in our legs or arms.

Leukemia

Leukemia is a form of cancer that originates in the bone marrow and affects the lymphatic system. This disease results in the formation of abnormal, malfunctioning white blood cells, which interferes with the ability of your body to fight infection.

Osteomalacia (Rickets)

Osteomalacia is a disease that leads to a softening and weakening of your bone tissue. This disease, which in children is also called rickets, is typically caused by prolonged vitamin D deficiency.

Osteoporosis

Osteoporosis is a condition in which bones become brittle and weak due to the extensive loss of bone tissue. Though the cause of osteoporosis is poorly understood, researchers believe that the bone remodeling process that occurs in healthy individuals is interrupted in individuals with this disease. Osteoporosis also commonly results in bone fractures of the wrist, spine or hip,

Spina Bifida

Spina bifida is a genetic birth defect that effects the development of the spinal cord while a baby is in the uterus. When present, this defect is typically detected and treated before a baby is born. However, babies that are not treated before birth may be born with excess fluid in or around the brain. 

Kyphosis 

--also called hunchback---is a deformity of the upper portion of the spinal column that results in severe forward bending of the spine. In children and adolescents, this condition may result from poor posture (postural kyphosis), misshapen vertebrae or problems during fetal development . In adults, this condition is often the result of another disease, such as rheumatoid arthritis, osteoporosis or cancer.

Hyperlodosis

also called swayback---is a condition in which the curve of the lower portion of the spine is notably pronounced. Muscle or nervous system problems are often the cause of this condition. 

Scoliosis

Scoliosis results in a sideways curvature of the spinal column. This condition is most frequently diagnosed during adolescent growth spurts prior to or during puberty. Though the cause of this condition is not fully understood, some researchers believe that the disease may be due to an inherited genetic disorder

Paget's Disease

Paget's disease of the bone is an abnormal breakdown of bone tissue that is followed by abnormal bone growth. Any part of the skeletal system may be affected, but the most common areas include the arm, leg, spine, collar and pelvis, according to the University of Maryland Medical Center.