(CNN) — Physical inactivity causes 1 in 10 deaths worldwide, according to a series of studies released in British medical journal The Lancet, putting it on par with the dangers of smoking and obesity. The results also suggest that public health officials treat this situation as a pandemic.

Quiz: Can You Pass These 10 Secret Fitness Tests? By Reader’s Digest Magazine | Healthy Living – Fri, 1 Jun, 2012 4:43 PM EDT You may not need a gym membership if you can pass these everyday health tests-like being able to clip your toes while standing.