The NHS is due to become smoke-free by the end of 2006 as part of a government drive to tackle public health problems.
Official guidance released last month said hospitals should aim to ban smoking in all buildings and grounds.
But nurses and campaigners working with mental health patients said the country's 80 mental health trusts should not adopt a blanket ban.
What are your views on smoking in mental health units? Many people say that they only took up smoking during a stay in a mental health unit due to boredom while other say that smoking is important in helping their mental health.
