How running actually effects to weight loss?

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Hi Nick! For any physical activity the body uses the energy stored inside in different forms. There are some of them: ATP in muscles (spent during first 1-2 sec of movement), carbs - glucose in blood and glycogen in the liver and muscles - (used in 2-3 min) and fat in the fat cells (can be used during hours). The body can get energy from the fat only using oxygen - anaerobic activity, while the first two sources of energy are utilized without oxygen. Long distance running is anaerobic activity. It means that using oxygen, your body obtain the energy from fat. Thereby amount of fat decreased. However, to make running effective for loosing fat/weight you need to run for some duration of time, for example for 30 min. I hope it was helpful :)
 
I was about to start a new topic on this matter but decided to follow this one instead since my questions are related.
To give a short background story:
I am starting a diet with exercise, going to the gym 6x a week.
In the gym usually I start by using the treadmill for about 20/30min before jumping into weigh lifting and before leaving the gym I use again the treadmill. Now, I don't run, I just fast walk (almost running pace) because that's the pace that I can hold from start to finish. I don't last lost running, I am a bad runner. Before 5 minutes I feel like I really need to stop at least to breathe properly.
Last year I was running everyday to loose weight and I would have to run as long as I could (it would be less than 5 minutes), then walk until I feel that I was ok to back to run.
In my situation, which some people might be able to relate to, any advice?
 
Interval (run, walk run) is actually better for fat loss and maintaining muscle than steady cardio, however the run portion needs to be done at a high intensity,
 
Interval (run, walk run) is actually better for fat loss and maintaining muscle than steady cardio, however the run portion needs to be done at a high intensity,

Since it's my first time in a gym and never used treadmill, I am always afraid of increasing the intensity and not being able to switch it back before falling on my feet. I am the kind of person who looses balance easily (even walking in the treadmill sometimes I feel a bit dizzy if I look bellow and see the motion of my feet while everything else is steady).
As I am very shy, I am afraid of falling in the process of running and falling :smash: But I am trying to get better a.k.a. > start running!
 
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