"We thought maybe we should look at T cells, " says Alice Gottlieb, a psoriasis expert and director of clinical research at UMDNJ-Robert Wood Johnson Medical School.

FORBES: Skin Deep

Instead, it's best to treat the addiction as a medical problem and stress the physical consequences of it, Johnson said.

CNN: Intervening against an adult's will is complicated, painful

James Johnson, British Medical Association chairman, said there were clearly problems in the NHS and that he looked forward to working with Sir Nigel's successors to help tackle these problems in the best way.

BBC: NEWS | Health | NHS boss 'not being forced out'