Why: There is some evidence that omega-3 fatty acids may ease anxiety symptoms and lift your mood by lowering levels of stress chemicals such as adrenaline and cortisol in the body. Caned fatty fish, such as tuna and salmon, walnuts, and flax seeds are all great sources of omega-3 fatty acids.
As you may already know from reading How Butterflies Work or Where do butterflies get their striking colors?, butterfly wings are made of very thin layers of a hardened protein called chitin.
They both eat nectar from flowers, and they supplement their diet with other liquids, like mineral-filled standing water and the juice from rotting fruit. The difference between butterflies and moths is a lot like the difference between frogs and toads. There are some rules of thumb you can follow to tell them apart, but there are also exceptions to those rules.