The risk of osteoporosis is reduced through regular physical activity during childhood and adolescence. Arthritis Arthritis affects over 4 million Canadians and is the leading cause of disability in more than 600,000. Regular physical activity improves functioning and relieves symptoms among people with osteoarthritis and rheumatoid arthritis and, in many cases, reduces the need for medication. Obesity Physical activity affects body composition and weight favourably by promoting fat loss. Active individuals have a lower risk of being overweight.
Obesity increases the risk of coronary heart disease, osteoarthritis, and various cancers.
It also increases the risk of back injuries, which are a significant cost to industry. Over half of Canadians carry excess weight and two-thirds of these are considered to be at health risk. In 1994-95 there were over 210,000 admissions to Canadian hospitals for mental conditions, accounting for almost 16 million days in hospital. Physical activity is clearly associated with fewer symptoms of anxiety and depression, is a proven antidote to stress, and has a positive effect on mood. Key references Canadian Fitness and Lifestyle Research Institute.