This article will explore the relationship between investments and Medicare costs, shedding light on how financial decisions can impact healthcare expenses. Income-Related Monthly Adjustment Amount (IRMAA) One significant way investments can affect Medicare costs is through the Income-Related Monthly Adjustment Amount (IRMAA). Delegated by the Social Security Administration (SSA), IRMAA is an additional premium higher-incomeThis article will explore the relationship between investments and Medicare costs, shedding light on how financial decisions can impact healthcare expenses. Income-Related Monthly Adjustment Amount (IRMAA) One significant way investments can affect Medicare costs is through the Income-Related Monthly Adjustment Amount (IRMAA). Delegated by the Social Security Administration (SSA), IRMAA is an additional premium higher-income ยป The FINANCIAL Personal finance