Further research is needed into a US treatment for Alzheimer’s disease that appears to produce marked improvements in some patients, experts say.
California researchers believe they have found a way of improving brain cell communication by injecting a drug called etanercept into the neck.
The Institute for Neurological Research team has described changes taking place in Alzheimer’s patients within minutes.
British experts have expressed caution, but say further research is merited.
More than 400,000 people in the UK have Alzheimer’s disease.
Current medication can slow the disease, but charities say there is a desperate need for research to develop more effective treatments.