Amazon is not sharing any of this information with third parties, nor is it selling products or making product recommendations based on this health information, nor is it building a health profile on customers.
All information is treated with high confidentiality and Amazon use multi-factor authentication to restrict access, service encryption, and audits of our control environment to protect it.
And if you believe all that, I've got a bridge you can buy.......
How long before the data is left on an 'unsecured server' how long until 'opps we sold that data with a bunch of other data to a 3rd party', how long until "your data is safely stored on a server in the USA where it can be sold by Amazon US. a totally seperate company to Amazon UK'
Gawd I'm cynical.... or am I?