Cortisol is produced and secreted by the adrenal glands. Production of the hormone is regulated by the hypothalamus in the brain and by the pituitary gland, a tiny organ located below the brain.
Cruise lines that operate private islands: Celebrity Cruises, Costa Cruises, Disney Cruise Line, Holland America Line, Princess Cruises and Royal Caribbean International. Disney Cruise Line calls at its private island, Castaway Cay, on itineraries from Port Canaveral.
Premium and luxury lines, too, are setting a course for Cuba. Norwegian Cruise Line Holdingsâ premium brand, Oceania Cruises, is offering voyages that range from 10 days to 58 days on the 1,250-passenger Marina beginning March 7.