Stairs or Lift? Make your choice...

Lift may be invented to ease human's life to travel from floor to floor. But, staircase was still important because it not only let people travel from floor to floor, it also helps an individual to get more daily physical exercise.

Stairs or Lift? Healthy or Unhealthy? Make your choice...

Read more: http://www.standard.co.uk/lifestyle/health/dont-take-the-lift-how-to-get-fit-by-using-the-stairs-a3088601.html