More sensationalism. Insurers can simply adjust the policy accordingly to account for patients discontinuing the drug. They can also raise premiums if patients go off the drug, and there can be a cluse that stipulates this. This is literally the job of an actuary to reprice premiums . Insurers take a short-term hit and then adjust premiums to ensure it never happens again. This happened with California fire risk for example. Moreover, this drug will not increase life expectancy by that much even with lifetime patient compliance. The majority of obese people ,especially men, who take these drugs will still be overweight or obese, but just not as much as before.