Fig. 4

Google Trends data for news searches in England for the disease term ‘Alzheimer’s disease’. This graph shows the interest in the disease term ‘Alzheimer’s disease’ each month from January 2008 to December 2015, inclusive. Interest is given as a percentage scaled against peak popularity, which is represented as a value of 100% and occurred for the downloaded data in September 2012. Values of zero indicate insufficient data for that month