the tiredness and aches and pains could be caused by a variety of factors. i would start with a physical and blood work. it is not uncommon for young women to be iron deficient which could be causing her to be tired. you also want to check her vitamin d levels which can be low even when diet is healthy. as for the pains its hard to tell. fast food daily would be a problem nutritionally but if she eats it less often it may not. some things you can do is talk to her about her food choices when eating out. and make a point to have family meals even if she gets home late let her know the food will be waiting and have one parent eat with her. your daughter is an adult now and it's time for her to take charge of her health. have her help prepare meals understand her nutritional needs and guide her to make good food choices. this article provides more information on diet for teens. good luck!
my daughter is 18 and for some reason she has been very tired and sluggish but very hungry what could be the problem? . when i cook at home i try and cook healthy food. though with her having a job and a car she has her own money and a way to get a lot of fast food. also since this cycle of hunger and sleepiness has occurred her body has been having pains off and on. are these related and could fast food be the problem?