[jebus989]

> It wouldn't take much for companies to start requiring that you disclose the knowledge you're at (high?) risk of something and adjusting their prices accordingly - particularly in long term policies.

That's what insurance is though, right? You pay a premium over time relative to their payout risk. If you have heightened risk of serious disease you're not entitled to the same premium as someone with considerably lower risk.

Regardless, other than a couple of exceptions the genetics of complex diseases wouldn't be of much interest to health insurers. A SNP with a tiny effect size associated with type 2 diabetes gives less risk information than taking a look at a person's waistline.