Not everyone craves symmetry, symmetry is an artistic style used by many artists. But on the other hand many artists use abstract concepts that have no symmetry at all. Symmetry in your mind, as in obsessive compulsive disorder, can affect how you think and make you do things that create the world in a perfectly clean way for you.
DNA and environmental factors
Sea urchins have radially symmetry.
Arial symmetry
Bilateral Symmetry
Cnidarians have a radial symmetry.
Annelids (such as earthworm and leeches) have bilateral symmetry.
People don't crave pretzels
Some people crave power and control. Hitler had a MASSIVE crave for pwer and control and that is why not many people liked him.
it is a disorder called pica, i have it and crave emery boards constantly, they taste so good!
people who are anemic crave ice mainly because of lack of oxygen distribution to the body. ice contains oxygen, so that's a good explanation. moreover, i don't understand why people with severe anemia, like myself, don't crave water.
People crave tea because they realise how awesome the Brits are for creating the drink from the materials they were provided with, from their vast empire. Meh, probably something to do with the caffeine.
I crave for a D.S.Chocolate!
They just want somebody to be there for them and just to care for them..
Cannabis causes no withdrawals.
They do not crave anything.
because that's what we are designed to eat.
Many people crave power.
Answer this people! I am curious as well. We crave information.