Obligatory: https://xkcd.com/1102/

And according to your article, this is almost exclusively a problem with the elderly:

> Those aged 85 and older die from malnutrition at a rate about 60 times higher than the rest of the American population, with deaths in that group increasing about twice as fast.

(Of course, I'd expect those aged over 85 to be dying at a much higher rate from _most_ causes.)