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Human Atlas: Osteoarthritis

Related Article: Learn more about musculoskeletal conditions.

Osteoarthritis is a disease where the layer of cartilage has been worn down so that your joint no longer functions properly. Learn more about osteoarthritis in this video.

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Discovery Health

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Living with Multiple Sclerosis (2:37)

Watch this video about multiple sclerosis on HowStuffWorks. According to the National Multiple Sclerosis Society, every hour someone is newly diagnosed with MS, an autoimmune disease that affects the central nervous system and is the number one... More »

A Cool School Project to Stop Polio in Nigeria (2:27)

Watch this UNICEF video about polio on HowStuffWorks. School projects in Nigeria are trying to reach more than 14 million children; the concept involves a homework assignment where each student has to find and bring 10 children to get vaccinated.... More »

Monitoring Tremors from Parkinson's Disease (1:06)

Watch this video about a computerized test that examines pen strokes to help diagnose a Parkinsonian tremor on HowStuffWorks. Since Parkinson's patients exhibit a very specific tremor, the goal of this computerized system is to be able to analyze... More »

Preventing Osteoporosis (1:28)

Watch this video about preventing osteoporosis on HowStuffWorks. Researchers are working on new ways of producing bone growth cells to offset bone loss to do old age. Learn about the latest research hoping to prevent osteoporosis in this video from... More »

Balance Intervention (1:34)

Watch this video about technologically-enhanced balance on HowStuffWorks. A remarkable new device can be worn like a personal music player but it's designed to aid people with balance disorders. Learn how this amazing technology improves balance in... More »

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Human Mutants: A Second Skeleton (2:16)

On Discovery Channel's "Human Mutants: The Mystery of Growth," the disease, fibrodysplasia ossificans progressiva (FOP), is explained. Its symptoms are like the formation of a second skeleton.

Human Mutants: FOP Skeleton Mutation (3:00)

On Discovery Channel's "Human Mutants: The Mystery of Growth," learn about fibrodysplasia ossificans progressiva (FOP) disorder where human tissues turn in to bone.

Human Atlas: Pulled Hamstring (1:14)

A pulled hamstring is a common sports injury. Rest and application of ice to the affected area are required for proper healing. Learn more about a pulled hamstring in this video.

Human Atlas: Chronic Rheumatism of the Hand (1:44)

Rheumatism is a condition where the body's own immune system starts to attack the membrane lining between joints. This leads to joint swelling, stiffness and pain. Learn more about rheumatism in this video.

Human Atlas: Osteoarthritis (1:56)

Osteoarthritis is a disease where the layer of cartilage has been worn down so that your joint no longer functions properly. Learn more about osteoarthritis in this video.

Human Atlas: Tennis Elbow (1:12)

The repetitive movements involved in tennis sometimes lead to an injury called tennis elbow. Learn more about this condition in this video.

Human Atlas: Degenerative Disc Disease (1:27)

The process of aging makes the nucleus pulposus of the inter vertebral disc degenerate leading to less shock absorption for the spine. This is known as degenerative disc disease. Learn more about degenerative disc disease in this video.

Human Atlas: Periarthritis of the Shoulder (1:59)

Periarthritis of the shoulder is caused when the ligaments become inflamed. Learn more about periarthritis in this video.

Human Atlas: Hiatal Hernia (1:17)

A hiatal hernia occurs when part of the stomach slips past the hiatus in the diaphragm. Learn more about hiatal hernias in this video.

Human Atlas: Lumbar Laminectomy (1:38)

A lumbar laminectomy is a surgery in which a herniated disc is removed to relieve a patient's back pain. Learn more about lumbar laminectomy in this video.