Space travel under threat as scientists find cosmic radiation could cause Alzheimer"s in astronauts

Space travel under threat as scientists find cosmic radiation could cause Alzheimer's in astronauts Once astronauts leave orbit they are exposed to constant shower of various radioactive particlesTests in mice showed those exposed to cosmic radiation displayed cognitive problems earlier in life | UPDATED: 09:44 GMT, 1 January 2013 The race for space tourism may be hotting up, but the practicalities of intergalactic travel have hit a new obstacle.

Sun, sea and a body MoT: From new teeth in Bratislava to banishing insomnia in (where else? Bedfordshire, the breaks that are a REAL health tonic

Sun, sea and a body MoT: From new teeth in Bratislava to banishing insomnia in (where else) Bedfordshire, the breaks that are a REAL health tonic | UPDATED: 22:28 GMT, 29 December 2012 You might assume that an annual holiday is the one time when health concerns go out of the window.