Three points to remember: 1  Ghrelin is a fast-acting hormone that plays a vital role in meal initiation and contributes to weight gain.  Leptin mediates long-term regulation of energy balance and suppresses food intake, thereby inducing weight loss.
NORTH AMERICA. HarmonyAIRÂ®. Surgical Booms. HarmonyAIR Surgical Booms â also known as equipment columns and supply heads â have a sleek and compact design, allowing the nurse line of sight to the sterile field and the surgeon unrestricted access to the patient.
A sonic boom is the sound associated with the shock waves created by an object traveling through the air faster than the speed of sound. Sonic booms generate enormous amounts of sound energy, sounding much like an explosion. The crack of a supersonic bullet passing overhead or the crack of a bullwhip are examples of a sonic boom in miniature.