Detailed information on breast health, anatomy of the breast, breast development, breast cancer prevention, common breast conditions, and breast cancer in males and females

Osteosarcoma often affects the long bones around the knee. It happens most often in children, teens, and young adults.

Osteogenesis imperfecta (OI) is an inherited (genetic) bone disorder that is present at birth. It is also known as brittle bone disease. A child born with OI may have soft bones that break (fracture) easily, bones that are not formed normally, and other problems. Signs and symptoms may range from mild to severe.

Talking with healthcare providers about your cancer can be overwhelming. Read on for a helpful list of questions that you can bring to your appointments.

Chondrosarcoma is the second most common type of primary bone cancer in adults. It mainly affects the cartilage cells of the femur, arm, pelvis, knee, and spine.

A typical bone in your body contains 3 types of tissue - a hard outer tissue, a sponge-like inner tissue, and smooth tissue at the ends.

Vision, hearing, and speech are an important part of your child's life. When an infant is born, their eyesight is immature. The infant later develops the ability to focus. Hearing appears early as a baby develops in its mother's uterus. Hearing is needed for correct speech and language development. Keeping track of your child's ability to see, hear, and speak is an important part of your growing child's health.

Cluster headaches are rare and cause severe pain that tends to recur in the same way each time. Cluster headaches occur in groups, or clusters, and each attack lasts about 1 to 3 hours on average.

Detailed information on kidney disorders

Prostatitis is inflammation of the prostate gland and sometimes the area around it. It is not cancer.