Production of the hormone is regulated by the hypothalamus in the brain and by the pituitary gland, a tiny organ located below the brain. When the blood cortisol level falls, the hypothalamus releases corticotropin-releasing hormone (CRH), which directs the pituitary gland to produce ACTH (adrenocorticotropic hormone).
Bring a long board for the big waves and a short one for fun on small-wave days. The 1,020-foot Mariner of the Seas, a ship of the Royal Caribbean line, offers frequent surf cruises, departing from the Port of Los Angeles (Long Beach, Calif.) for a seven-day voyage arranged by Paradise-Bound.net.
Regent Seven Seas ships offer all-suite accommodations. Regent Choice Shore Excursions carry a supplement, but they delve much deeper into a region's culture and history. Multinight pre-and postcruise land programs are available to extend your cruise vacation. Regent Seven Seas ships are luxurious but not stuffy, and there's a block party on every cruise where passengers are invited to meet their neighbors in adjacent suites.