i need one page article
article using pubmed. gov or other sites that are credible (nhlbi for example) regarding a gi condition and the nutritional effects.

topic : ibs > irritable bowel syndrome

overview of gi condition

You can simply go to the website
PubMed.gov
Type in the words
Irritable bowel syndrome 
Go through the results and pick out the one you think is the most related.
This is one article that I think is related to what you're looking for:
"New insights into the pathogenesis and treatment of irritable bowel syndrome."This is the link: https://www.ncbi.nlm.nih.gov/pubmed/28135659

Her parents start noticing changes about her. she's probably just competive though not on drugs

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.