Both are very bad for your health.

it's very true- look it up.

both

being too underweight means that you don't eat a lot.

a stament cannot be both true and false.

its just as bad

True i think

I think true-you literally can't function if you are underweight and your body will destroy itself in an effort to get nutrients.

Only if you're malnourished. (Underweight and malnourished are not the same thing)