Congratulations for wanting to take your life back!
I'm 63 years old and would like to share with you how I got to be healthy.
Just like the bad habits you had picked up from the past you will pick up healthy ones from here on out.
First thing in the morning take a multiple vitamin, Vitamin D, flax seed oil and fish oil in a capsule. Do Not take a calcium tablet, they are not good for you. They can cause a heart attack. Instead, with your water or green tea consumed throughout the day, put 2 teaspoons of chia seeds in them once a day. That will help with the calcium. Don't worry they go down very easily.
Sugar will be your worst enemy because it is so addictive. Stay as far away from it as possible. Remember sugar causes obesity, heart attacks, diabetes and the illusion of continuously being hungry and many other terrible things. Then again in my opinion take out all processed foods. Anything you can't pick off a plant in it's original form, shouldn't be eaten. And then, eat lean lean meats, fish, seafood, fresh colorful fruits, mushrooms, eat small amounts but a variety of nuts, colorful vegetables, cook with coconut oil and olive oil. And No Salt! While eating these delicious foods eat a serving of foods, (not anymore than that) with each meal 3 times a day. Example: a serving of protein, a serving of vegies and a serving of fruit. While doing this do some form of exercises: walking, dancing, pool exercise, kickboxing (great idea by the way). Just move your body and be consistent with your workouts. Drink plenty of water/green tea throughout the day!
Do not eat grains (especially bread, tortillas rolls...), beans or green beans of any kind for awhile and when you do reintroduce them back into your life, please, do not eat wheat or any other grain that has gluten. Instead eat quinoa, gluten free oatmeal, brown rice, but continue to stay away from bread/gluten grain products. That's it!
Believe it or not there is a lot of nutritious foods mentioned above for you to get healthy on. Think of these foods as your medicine. You will feel better each and everyday.
I find working out 5 times a week is good. Do cardio one day (try to reach a goal of 45 continuous min.) and the next day do weight lifting. Enjoy!
You are at an age where it is exceptional. Enjoy life and share your experiences as you go through this journey of being healthy.
I'm so proud of you, and cheering you on,
Janie