Eat healthy

Eat healthy
 

To eat healthy or to eat healthily or both? I' ve always heard to eat healthy, but yesterday i heard to eat healthily are both correct?

To eat healthy. Comer sano.
Comer de forma saludable. Comer saludable.
Healthy food. La comida sana.

Eat healthy is what I hear too, even though it seems to me a wrong use of the adjective healthy where the adverb healthily belongs - unless maybe it's meant to be a short way of saying Eat healthy foods.

It used to be that healthful foods were eaten to stay healthy. We ate healthfully. But, alas, hardly anyone says that anymore.

The original (and still the main meaning) of healthy was used to describe a state of healthiness (having health).
Healthful things helped you to be healthy, not the other way around.


Healthy food paints a picture of svelte carrots pumping iron so they can beef up (at least to me it does).

This isn't the only word that has taken on a whole new meaning in my lifetime.

Then, if I heard someone say "I eat healthily" I would take it as the person eating is very healthy.