Hi, 20y student, have been skipping 2meals a day, had exessive stomach rumbles at night in result, weight loss, Insomnia, anxiety, pressure in left rib. Wtodo?

Can't say for sure. ...but for starters it may be worthwhile eating once again healthy and regular meals as well as reducing stressors. Please discuss the differential diagnosis here with your physician, and pursue work-up and treatment as appropriate.