

Pathophysiology and risk factors are actually a pretty much half of the curriculum for a separate medical specialty. Here are some resources for a different depth levels of this rabbit hole:
Basic level: https://www.cdc.gov/obesity/risk-factors/risk-factors.html
Moderate to deep:
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Obesity Pillars journal (open access) https://www.sciencedirect.com/journal/obesity-pillars
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decent book: Handbook of Obesity 4th edition Vol 1 by George A. Bray and Claude Bouchar, available free on Anna’s Archive or can be bought on Amazon
Too deep (mostly for medical professionals) and more expensive: Course of lectures at Columbia university: https://www.ihn.cuimc.columbia.edu/education/continuing-medical-education-cme/columbia-cornell-obesity-medicine
Hi!
Just recently was setting up my whole family with ebooks. Ended up with Kobo Libra Colour for myself and Kindle Oasis (jailbreaked) for family.
I am quite happy with both readers. Kindle would be a bit better in quality, but Kobo is color and non-amazon. Both of them have physical side buttons, which were my main requirement.
I store all my books in calibre and uploading it via USB on my kobo reader. It makes it much easier to manage and confirm metadata. I didn’t bother with readarr, as I already has a decent collection that still need to finish.
For family - they were already familiar with Kindle, so I got them Oasises from ebay, jailbroke them to prevent Amazon from messing up with them and just send all necessary book to their readers wirelessly via Send to Kindle.