The NHS speaks with forked tongue - says it will not sell the data but it will charge those who access the data!
'The NHS said: "NHS Digital does not sell data. It does however charge those who want to access its data for the costs of making the data available to them."'
https://www.express.co.uk/news/uk/1445516/NHS-data-opt-out-who-is-NHS-sharing-your-data-with-evg