Biking and walking, on the other hand, only burn a fraction of these calories in the same amount of time. While we burn around 2000 to 5000 calories every day doing nothing, running 5 miles a day burns an additional 500 calories. The speed in running has little or no effect on the number of calories burned. Enhances mood When running, the body produces a substance called endorphin (endogenous morphine) that creates a different sense of euphoria. This state of euphoria is called runner s high basically because after running, individuals are in a good mood, are happier, and indescribably feel better. Runner s high is also believed to be responsible for the runners seeming addiction to running: Because they are always intensely post-euphoric, runners keep running every chance they get. How To Choose The Best Running Shoes Although running barefoot was the preference of many running legends, it can t be denied that running shoe is your most important equipment as a runner. It acts as your first line of defense against any danger and injury, while helping you achieve your fullest potential. Injuries are inevitable especially when a person is too pressured to accelerate the manifestations of ideal physical training and weight loss results. Some people make the mistake of putting the body into too much physical activity in the hope that doing so would boost physical stamina, strength, and overall physique. Smart Ways To Prevent Running Injuries Incurring injuries can pass as one of the greatest nightmares of many runners, which is why it is very important for every runner to be extra cautious down the road. Many factors contribute to the runner s tendency to get injured; still, there are many ways to prevent running injuries. You may first do a 1 or 2-mile run for three to four days a week. These runs can be interspersed with some brisk walking, if need be. You can then build up your mileage in small increments every week, again so as not to subject your body to sudden strain it had not experienced before. The rule of thumb is not to increase your mileage by more than 10% every week.