gunk, wear, corrosion and friction. that helps keep your engine running like new. it's fuel for thought. not this john smith or this john smith. or any of the other hundreds of john smiths that are humana medicare advantage members. no, it's this john smith, who met with humana to create a personalized care plan. at humana, we have more ways to care for your health, and we find one that works just for you. no matter what your name is.