Gillian Hawker Browse All Authors Famous Quotes by Gillian Hawker Poverty is associated with poor diet and less opportunity for physical activity which increases the risk for obesity and in turn for osteoarthritis. Gillian Hawker health-news People with a lot of joint pain have difficulty sleeping, which can result in greater fatigue and depressed mood and pain severity, physical activity, which is the primary therapy for knee osteoarthritis, helps sleep, pain, mood and functioning. Gillian Hawker health-news