But trading standards officers and the Consumers' Association are warning customers to scrutinise the small print.

The Association of American Physicians and Surgeons warns doctors to think twice before treating pain.

The Association of Southeast Asian Nations has also warned against unilateral sanctions.

Some websites offered early tickets, which the Association of Secondary Ticket Agents warned were fake.

Car repair costs are set to rise under EC proposals threatening independent firms who make spare parts, the Consumers' Association has warned.

But the Alzheimer's Association warns against taking an at-home smell test that is sold in pharmacies and on the Internet.

The Association warned that rectifying mistakes could be frustrating.

For example the British Veterinary Association warns that humans "risk exposing themselves to bacteria like Salmonella".

The National Pest Technicians' Association has also warned that fortnightly services were one factor behind the rise in rat infestations.

The Association of Police Authorities is warning that funds held by its members could be "decimated" by claims made for damage caused by the riots.