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.
Unilateral Change. As a general rule, the Changes clause gives the Government the unilateral right to order changes in certain listed contract provisions during the course of performance, in exchange for adjusting the contract price or delivery schedule.