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Games 2002  BBC Sport  BBC Weather  Monday, 26 November, 2001,
15:54 GMT Food stroke danger investigated Patients who have
suffered strokes will be assessed Scientists are probing a
common problem experienced by stroke patients - where swallowed
food goes into the lungs instead of the stomach.  Although most
cases are spotted by doctors, there are still some which are
hard to detect - and they could be dangerous.  In the normal
body, a complex sequence of muscle actions both close the
windpipe during swallowing, and propel food and drink down
towards the stomach.  This stops food slipping down the windpipe
into the lungs.  There is definitely a small grey area in which
it is difficult to spot patients with this problem  Sharon
Lewcock, speech and language therapist However, people left
disabled by strokes may have less control over their muscles,
and as a result less able to swallow prope