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.
Some enter diapause, freeze, and live through temperatures well below 32 degrees F. Butterflies spend winter in different ways, depending upon the species. Many species convert glycogen to sorbitol and glycerol (nature's natural anti-freeze) as nights become longer and temperatures become cooler.