As for symbolism, cats are symbolic of rebirth and resurrection, per their nine lives. Because they are nocturnal, they are also associated with darkness. Darkness often goes with fear, the unconscious, and things that are hidden.
A condition affecting the surface of chocolate. The chocolate adopts a dull, tannish-white color and feels gritty when touched. Only appearance is affected - not taste. It is caused by condensation of water vapor from air on the chocolate surface. The sugar in the chocolate dissolves in the water, then the water evaporates and the sugar crystals remain on the chocolate. What is fat bloom? A condition affecting the surface of chocolate. The appearance is similar to sugar bloom (dull, white), except it is shiny and feels greasy when touched.
Piomelli found that chocolate contains anandamide, which is also produced naturally in the brain and which activates the same target that marijuana does. He also found two chocolate ingredients that inhibit the natural breakdown of anandamide, which could lead to heightened levels of anandamide in the brain.