The Mental Capacity Act
The Mental Capacity Act aims to protect people aged 16 and over who are unable to make certain decisions for themselves, perhaps due to learning disabilities, mental health needs or because of an illness, for example dementia.
You can find out more about the Mental Capacity Act 2005 below:
https://www.gov.uk/government/collections/mental-capacity-act-making-decisions (For professionals version)
http://webarchive.nationalarchives.gov.uk/+/http://www.dca.gov.uk/menincap/mca-act-easyread.pdf (for public use version)