are employers allowed to pass on potentially damaging info about you to a new employer? (UK)?
are employers allowed to put critical information/opinions in job references?
and, are they allowed to pass on health-related information about you that could be used, out of context, against you?
final question, are you entitled to demand to see the references and health details released by the previous employer - for instance if you wanted to correct inaccurate information that was being passed on between companies?