The high amount of vitamin A found in romaine lettuce is essential for skin health. Studies show that a deficiency in this critical vitamin can lead to a poor complexion. (5) Vitamin C also helps to build collagen in the skin, which is responsible for building firm, healthy skin and preventing loss in elasticity.
Many dangerous animals occupied this region of the mayan geography including the jaguar, the caiman (a fierce crocodile), the bull shark, and many species of poisonous snakes.
The Mayans based their civilization around the cities they called Tikal, Shunchucmil, Palenque, Bonampak and Copan. In time, the Mayans entered into trade with other countries as well as nearby cities. During the Mayan empire, construction of buildings took off.