Underweight: I am not certain what slightly underweight means. Junk foods will increase your BP and lead to stroke heart attack and kidney failure if you are salt sensitive. Use your BMI to describe how "underweight" your are. From you picture you may be a bit chubby. BMI should be below 25 for maximum health. Never heard of junk food damaging liver though.
Answered 2/3/2016
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A doctor has provided 1 answer
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