Will this stop me getting past the army medicals?

if theres any overdose in the US its an automatic DQ non-waiverable. i know if i were anyone in the british army i wouldnt want someone like you in my platoon knowing you used to cut and OD. your interviewer also probably wont buy that story. it may sound to a civy ok, but in the military its not gonna fly. and also that lost part is irrevelant and they will not care. 3 years means 3 years. the second you step foot in the office the clock starts and it resets every time you walk in. id rethink a career choice if i were you.