It's a Heart Ache

The reported claim that one can find the current 'age' of one's heart by answering 16 questions on an app has intrigued many people (https://www.theguardian.com/society/2018/sep/04/how-do-i-find-out-my-heart-age). It was newsworthy that many respondents reportedly had heart ages considerably older than their chronological age. As the questions concern items relating to ethnicity, postcode; height/weight and whether the individual smokes, one has to take the app estimations with a pinch of salt. As they used to say in the early days of computing "garbage in: garbage out". People are not very good about answering any such questions honestly or accurately. The actual situation vis-a-vis heart health of the UK population is likely to be (much?) worse.