It can be increased by eating junk food, oil and drinking soft drinks.
Honestly? They go hand in hand; if you want to lose weight, the fastest way is to do both; watch what you eat and increase your exercise.
Strength training is the fastest way to healthily lose weight. The increase in muscle mass causes an increase in your metabolism, and an increase in the number of calories your body burns per day. The more calories you burn per day, the more you need to eat to maintain your current weight. However, a well rounded diet will be necessary to provide enough energy for any serious training routine.
The fastest way to lose weight is lower your calorie intake to a very small number and increase physical activity. You can also try the Atkins diet.
There is no fastest way, there is only the way. Wait. It is possible that you can speed up the process by exercising, but the increase is negligible.
jump a lot
Friction can be increased by reducing the speed of the moving object. Friction can also be increased by increasing the weight of the moving object.
blood
Just gain weight.
A combination of both is the fastest way to lose weight. You can't really get the results you want by doing just one or the other.
There is only one way to flatten a person's stomach using a weight bench. You will have to workout everyday.
blood stream
Surgery to remove excess body fat.