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.
1 Modic type 1 changes involve fluids in the part of the vertebral body that is close to the disc, and they stem from an infection in the disc, with low virulence anaerobic bacteria, especially the bacterium Propionibacterium acnes.