Changes with Age. In most cases, a person's normal respiratory rate will change with age; younger adults, children, and babies will typically have faster respiratory rates, because as people age, their breathing usually slows down.
Modic changes are pathological changes in the bones of the spine, the vertebrae. These changes are situated in both the body of the vertebrae and in the end plate of the neighboring disc.
The term mod refers to a modification of the electronic cigarette and most often refers to a modification of the battery that powers it. In order to understand why mods are popular in the world of electronic cigarettes, it is necessary to look at the admittedly brief history of the device. The first electronic cigarettes that appeared in 2007 showed the potential of the device, but it was clear that there was room for growth in the design area.