I'm 13 and I'm suddenly hungry?

So all day long I was fine, normal appetite and everything, then suddenly I am extreamly hungry! This has lasted 2 days now, and I'm wondering, is it another growth spurt or is it Diabeties? I dont start shaking when im thirsty or hungry, and this has happened about a year ago... I have never shown symptoms of Diabeties before, so thus I think its a growth spurt, but do you guys think it is? I am a very healthy person. I eat fruit cups, veggies, protien, i excersize at least 3 times a week (I jog every morning, as well as going for a bike ride) So could this possibly be another fase of growth? I grew 1 inch last night, so am I just going through another huge growth spurt?
I'm 13 and I'm suddenly hungry?
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