The pressures of home and family life can also mean it feels as if there's little time left to fit in exercise. It's certainly tough to get started.

  So, it's worth thinking about what you gain from regular exercise and making even a partial improvement to your fitness.

• Physical inactivity is an independent risk factor for coronary heart disease - in other words, if you don't exercise you dramatically increase your risk of dying from a heart attack
• Conversely, exercise means a healthier heart because it reduces several cardiovascular risks, including high blood pressure