In Sickness and in Health: Spouses of Diabetics Have Double the Risk - July 2015
"Even if you are not genetically related, if you are a residing spouse or domestic partner, just that shared environment is associated with an increased risk, that's what we saw," Dr Ali told Medscape Medical News.
"The take-home message is that it might push us a bit more to say, if someone is newly diagnosed, what's happening with their partner? And instead of waiting for years and years for that partner to show up for their own glucose test, maybe we should pre-empt it.
“Who you live with” it would seem is as important as your genetics given the connection between environmental factors and how they influence health risk.