Could this be elevated blood pressure?

I'm not sure how high blood pressure goes, I've been told this could be a possibility;
been eating EXTREMELY unhealthy for in the region of a month now. I have water once and a while, some hygienic spaghetti and fruits the other day, but recently I have be getting EXTREMELY dizzy out of nowhere and I sometimes have a lingering puke feeling.
Right presently I am feeling very light head and dizzy, that's what pushed me to ask.
I am a teenager, 17, and I am 120 pounds (I have not gained ANY cargo at all, or access fat, from eating adjectives this junk food... Honestly I'm not sure why. My weight continues to go from 115-125 resembling it always has.)


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