The marathons in next year's Tokyo Olympics have been moved to Sapporo, because of concerns around Tokyo's extreme heat. The move, though controversial, will reduce risks to the athletes' health.
Women endurance runners are being celebrated in the advertising world yet the ads also create negative sentiments by focusing on 'ideal' running bodies - long, lean and masculine.
Taking more exercise is a New Year's resolution to stick to. Exercise reduces risks of depression, cancers, heart disease, stroke and sudden death.
Running shoes with springs in the soles have been touted as the next big thing in shoe design. But they won't turn a weekend warrior into an Olympian.
Why is work making us miserable?
Runners have a greater risk of developing skin cancer because they are more likely have sun damage on their skin as a result of chronic sun exposure.