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It is common for scientific studies to produce apparently conflicting results, but the benefits of physical activity on a wide range of physical and mental health outcomes remain undeniable.

A picture is emerging of a healthy lifestyle which is key to the condition’s prevention – exercise, being sociable, and looking after your ears

A gold-standard clinical trial provides evidence that diet, exercise and an active social life can help prevent cognitive decline

If you take a healthy 20 year-old, force them to sit all day, and refuse to let them do any physical labor out of fear they might hurt themself, it would cause them to “age” extremely rapidly. We need to promote more, not less physical activity for our elders. The next time you consider telling your grandmother to sit down, think about whether that’s really in her best interest.

Exercise, a new study finds, changes the shape and functioning of our genes, an important stop on the way to improved health and fitness. More than 5,000 sites on the genome of muscle cells are altered by exercise.