Think I figured out the food poisoning bug. It happens when an NPC eats something raw - the effect still targets the player, and I forgot to put an "if ID == player" conditional on the effect, or an "if this == player" condition in the effect script. I'll upload a fix as soon as possible. On the upside, the food poisoning disease works, as does treating it via doctor.
*Edit - Update 1.0.2 uploaded.
*Edit - Update 1.0.2 uploaded.
Egad! Some random Joe would eat junk and I would get vomiting and projectile diarrhea. Yay for fixing it!
Is it possible to have the NPC effect by it instead? I can already see myself sneaking into the fiend camp and replacing their stakes with raw meat as I cackle maniacally as they try and fail to hold it in.
EDIT: Raw Meat - Launcher! Die infidels die!! bwuahahaha. Going overboard here?
Nope no joy, tried loading it last and using a merged patch along with my bash patch and still the same thing happened 

Yep, Just like Imp said, patch might be the reason for it. To the best of my knowledge Arwen have only one model released for NV. Are you using the right mod? All that ART does is change the scale from 30:1 to 4:1 by the default and back up for sleep. IMCN if I am not mistaken uses 1:1 scales thus if loaded last overwriting and having need accumulate faster. Which in theory have no conflicts with ART.
Does "You are starving" message comes from vanilla need or IMCN? Your vanilla needs might show 0 but according to IMCN you might need to eat, that's why you need to check IMCN needs screen and make sure to eat more until you are on + 30 percent, preferably on +50 % on all the scales. It is possible to have Vanilla needs to show that you are starving or thirsty while IMCN claims you to be full. It is easily solvable by console command resetting the vanilla needs or by having your Pipboy screen(inventory) open for couple of minutes, during that time the vanilla needs won't change cause the game is effectively paused but as the feature lists state IMCN would still count time even , thus you would be able to eat/drink again and even out vanilla/IMCN needs.
I hope that you get it sorted out
