Drug designers seek to prevent and treatment diseases by modifying of stem cells and producing targeting drugs that have specific targeting mechanisms.

However, there is law enforcement targeting drugs for ex.

It is geared to finding anti-cancer targeted drugs.

Such "targeted drugs" will have much narrower groups of users than drugs given to all patients, meaning lower sales and profits for drug companies.

Future treatment of psychological disorders may have more targeted neurological treatments rather than ingested drugs.

'Too Much Violence' "We will target violent crime, drugs and the gang activity that is spurring crime on," he said.

Scientists say the mutation problems and complexity might be overcome if targeted drugs are used early, when the tumor cells have not mutated as much.

Scientists are exploring whether nanotechnology can target drugs to diseased tissues or implant sensors to detect disease in its earliest forms.

They can target anti-inflammatory drugs to specific tissues.

Sir Paul pointed out that developments in genetics would make it possible to target drugs at a specific cancer type, even customise them for a patient.