I have worked with a personal trainer for over a year. She has helped me to lose 57lbs and 20% body fat. Just the change has helped me to feel better about myself. I know that not everyone can afford a personal trainer. When I am not meeting with my trainer I do some type of exercising. I have found apps for my phone that will give me a workout routine without using weights or having to go to the gym. One is #HIITCardioTraining another is #DailyCardioWorkout Nike also has an app with workouts.
When ever I go into the gym and am angry I never leave angry. I always feel less depressed or less angry if at all after I workout. Science has proven that exercising helps with depression. It helps speed metabolism and deliver more oxygen to the brain; the improved level of circulation in the brain tends to enhance your mood. It also helps to release feel good brain chemicals (neurotransmitters, endorphins and endocannabinoids). Another way exercise helps depression is by reducing immune system chemicals that can worsen depression while also increasing body temperature, which may have a calming effect (according to the Mayo Clinic) http://www.mayoclinic.org/diseases-conditions/depression/in-depth/depression-and-exercise/art-20046495
Exercise also help many other illnesses such as: Diabetes, Fatigue, Glaucoma, Headaches, Heart Disease, High Blood Pressure etc…
As far as depression, when you are anyone is depressed going to the gym or exercising is the last thing that you want to do but once you get motivated, exercise can make a big difference.