The answer to these type of questions is almost always let it run its course and in a few generations the gene pool will change to favor people where this is st

The answer to these type of questions is almost always let it run its course and in a few generations the gene pool will change to favor people where this is steadily less and less a problem. It is important to note that that is not the correct answer because it is a good answer, it is the correct answer because the alternatives are draconian and terrible to the point of being worse.