Tai Chi  may be recommended to prevent falls in at-risk  and older adults

When we are young, falling over is something we do a lot – it might result in a grazed knee and a few crocodile tears but can soon be mended by a plas(...)

Brevity is indeed the soul of wit in an effective tweet. Photograph: Reuters/Dado Ruvic

As political events over the past year in the US and Poland have demonstrated, social media has emerged as a major force in society. Medicine has not (...)