Osteoarthritis develops when the cushioning between the joints wears down over a period of time. It generally affects the knees, hip, joints and spine. Obese females are more prone to osteoarthritis than men and condition progresses as the age advances. Physical therapy like exercises and weight reduction together with anti-inflammatory drugs are important treatment options. For the patients with severe pain and ones who find it difficult to mobilize, knee replacement surgery is recommended for alleviating pain and stiffness. To know more, watch the video.