conned = exaggerated? clap-trap = crap?

Context:

One in three Britons claims to have an allergy, but a specialist reveals they may have been conned by New Age clap-trap

Childhood and adult allergies in Britain are rising dramatically every year. So just what’s making us itch and sneeze? We asked allergy expert Dr Adrian Morris. Here, in a revealing account of a week at his clinic he sorts the genuine sufferers from the worried well. ...read