We note that if this same person were unfortunate enough to also suffer from diabetes and require either metformin or insulin, the private-sector cost for these medicines would lead to an additional 2.3% (metformin) to 6.5% (insulin) of USD 100 monthly household income, 1.2%3.2% with USD 200 monthly income, and 0.8%2.3% with USD 300 monthly income. Here, INS is linked to diabetes mellitus.