Hi Leana,
At 23 you should probably start to think about a less physically demanding career. I am 53 and at 50 changed my career. I had been an Activities Director in assisted living with the elderly for 12 years. As time went on I realized that a job with no breaks and constant movement and little time to wolf down my lunch was not going to work. I now have my own business doing companion work with the elderly in their home. It is in the same field but I only deal with one or two clients at a time, not 40-75. I get to eat because I make them lunch and eat with them or they like to go out to lunch. Either way I get a regular time to eat. I am also more in control of my hours. If you have a following can you work from home? Can you start a business going to people's homes who can't get out easily? Many of my clients would probably love a service like that. Most with dogs use a groomer that comes to the house. They all get their own hair done, too, so maybe that's a niche you could fill and make your own hours?
I also have something at home called a float tank. I do not take any medicine but I get all my pain relief from a chiropractic adjustment every 3 weeks and floating in my tank every 2-3 days. It is a 4' x 8' soft sided tank that holds 200 gallons of water with 800 lbs of Epsom salts dissolved in it. The water is only 10 inches deep and you float so easily with all the salt that I often fall asleep in it. It takes my aches and pains away for 2-3 days at a time. There are commercial float centers, mostly near bigger cities, and you could go try it. Most commercial floats are an hour and a half. I was on medications before that gave me side effects I was not willing to live with.