[dionidium]

This is the state of just about every trendy consumer health product. My watch tells me my heartbeat? Great. What the hell am I supposed to do with that information?

Exactly nothing.

[owlninja]

It can be pretty helpful for exercise.

[astrange]

https://www.yahoo.com/tech/apple-watch-helps-man-survive-pot...

It's also good for lessons on why not to drink too much coffee on Adderall.

Actually, this is a lot more useful than checking your own genes once they've already produced you. Generally you've already found all of that out.