What am I doing to my body in regards to current health, vitamin/mineral deficiencies, future health (see information)?

Current body stats:
-120ish lbs

Daily things:
-ADD med once daily at 7ish AM
-2 to 3 24oz Dews, sometimes five days pass with no water
-Hydroxycut (to counteract my sporadic eating sschedual)

-Eat dinner and right before bed
-60% of meals dont have veggies, or are nutritionally lop-sided
-rare piece of fruit
-Caloric intake is roughly 1500 (excluding Dew at 290 a bottle)

-ADD med handles that Energizer Bunny style doing this and that