Ms. Frizzle could have saved a lot on gas money if Ralphie had just gone on a diet
For every pound of fat you gain, your body produces seven miles of new blood vessels.

These are mostly tiny capillaries, but these new vessels also include mini veins and arteries called venules and arterioles. For every ten pounds of fat gained, your heart has to pump blood through an additional 70 miles of blood vessels! Consequently, it is not difficult to see why obesity and heart disease go hand in hand. The good news, however, is that the reverse is also true - for every pound of fat lost, your body breaks down and reabsorbs 7 miles of vessels!

This can be really reassuring if you\'re trying to lose weight. 1 pound may not look like a lot of weight lost on the outside, but it has innumerable health benefits. It can even reduce your chances of getting breast cancer, ovarian cancer, or prostate cancer.

Read more about this here.