A persuasive case for the ways in which public policy (especially health and welfare) needs to be changed to cater for everyone, rather than just a subset of the population, starting at a minimum with better data collection so we can see the full extent of the problem. Some of the issues raised were 'obvious', but there were others I wasn't aware of (e.g. heart attacks causing very different symptoms in men and women). The author also manages to tread a careful path of drawing attention to issues without laying too much blame with any one group of people, generally opting for 'men don't know about this' rather than 'this is all the fault of men' (which, whilst it may be a fair comment, would probably alienate people).

The missing things I noticed were: assumption that sex/gender are the same thing (or at least the author seems to used them interchangeably), no coverage of trans/non-binary, and, most surprisingly, nothing much on sex workers. Despite these flaws, it's well worth a read, especially if you're involved in public policy, healthcare or data collection.