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.
Island: Great Stirrup Cay. Norwegian cruises to the Bahamas include a day at Great Stirrup Cay, one of the islands in the Berry Islands chain. The line has owned the island since 1977, and tenders transport passengers between ship and shore to enjoy the 250 acres.