United Kingdom legislation
The Cancer Act 1939 (2 &amp; 3 Geo. 6. c. 13) is an Act of Parliament of the United Kingdom passed in 1939 to: 
As of December 2014, the sole remaining provision is in respect of advertising to treat or cure cancer, all other provisions having been repealed or subsumed into other legislation. The Act does not apply in Northern Ireland.
Advertising.
The Act's most notable provision is a clause prohibiting taking any part in publication, except under specified conditions, of advertisements that "offer to treat any person for cancer, or to prescribe any remedy therefor, or to give any advice in connection with the treatment thereof". Prosecutions do take place, but are rare.
The expression "advertisement" includes any notice, circular, label, wrapper or other document, and any announcement made orally or by any means of producing or transmitting sounds.
The Act provides for exceptions in making material available to registered medical and nursing personnel and pharmacists, and for material produced by hospitals and local authorities.
Prosecutions under the Act.
According to an answer given in the House of Commons on 12 June 2014 there were 21 convictions under the Act between 1984 and 2013, and from then until 12 June 2014 there have been another four.
Convictions that have been reported in the press include:
References.
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