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Who is @eatyourpeas?

I am a hospital medic - a consultant paediatrician - working in a teaching hospital in South London, UK. I am on the acute/emergency rota but, most of the time, look after children and young people with eating disorders, diabetes, obesity and hormone/endocrine problems. I am fascinated by the time of life that is being a young person, emerging into adulthood. From a medical services perspective, young people in adolescence often get a raw deal and I want to change that.

I am married to the amazing Dr Serena Haywood and live in South London. We have teenage boys and a retired greyhound, Trudy. We rescue chickens too. I used to encourage our boys to eat their vegetables a lot when they were littler, and so the name stuck.

And I love tech, all things code, and in particular practical simple technology ideas that change and improve lives. The connectivity the mobile devices have given us all open possibities that most people in healthcare haven't begun to explore.

Summarise your Github for me in a couple of paragraphs...

The project I am proudest of is the most recent - check out the RCPCH growth charts API. This is the first time a medical royal college (the Royal College of Paediatrics and Child Health) has undertaken to host its own code. Coding a growth chart involves an amazing nerdy mix of interest in childhood growth, stats, charting and data visualisation. The team putting the API together are amazing and I am very privileged to be learning from some of the big names in UK Children's Growth Chart development.

The npm module was my first attempt at the growth chart algorithm, and is written in JS (obvs). I worked on the same thing in SqlServer with Chief Clinical Information Office, Dr Jack Barker and this has been live at King's College Hospital on our electronic health record for over 10 years.

Another area I have worked in for several years is child and adolescent eating disorders. The assessment of malnutrition of young people with restrictive eating disorders like anorexia nervosa can be difficult and I now lead (jointly with Dr Lee Hudson) a group of clinicians called MaRSiPAN who seek to set the national standards for this assessment. As part of this, the measurement of BMI in children and its interpretation can be done using the MaRSiPAN app - this exists in android and iOS. I am currently working on a new iteration which I am developing for the first time in Flutter.

Other projects dabble in and around adolescent health or medical training. There are projects in python, javascript/typescript, react, meteor, ionic, android and ios.


If you have an questions on my projects, or you are keen to collaborate please raise issues and send pull requests. Or I can be found most days @eatyourpeas / eatyour_peas or....

"Buy Me A Coffee" LICENSE


  1. An NPM module for UK-WHO growth charts: Please note the data inside is licensed

    JavaScript 5

  2. Plot children's growth data against national UK90 and UK-WHO standards and report standard deviation scores and centiles.


  3. KAOS Public

    An Ionic 5 PWA for teenagers and young people to learn about their health while inpatient on hospital wards.


  4. marsipan Public

    marsipan is a group committed to improving the care of malnourished children and young people with eating disorders


  5. sixcarbons Public

    Clinical calculators for all things glucose


  6. RCPCH's open source Digital Growth Chart API

    Python 12 9

973 contributions in the last year

Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Mon Wed Fri

Contribution activity

December 2022

Created 5 commits in 1 repository
Opened 2 pull requests in 1 repository

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