Why are omega-3 and omega-6 fatty acids considered 'essential'?

They are essential because the body cannot produce them on its own and they must be obtained through diet.

How do proteins and amino acids impact our mood and behavior?

They contain precursors to neurotransmitters, which affect mood, sleep, attentiveness, and weight.

Antioxidants strengthen the brain to fight off free radicals that destroy brain cells.

HE19.HE.1.6a Identify factors that impact nutritional choices.

1
Most of the weight of your dehydrated brain would come from fats, also known as lipids.
2
Omega 3 and Omega 6 are essential fatty acids that must come from our diets and have been linked to preventing degenerative brain conditions.
3
A high glycemic food, like white bread, causes a rapid release of glucose into the blood, which is followed by a dip in attention span and mood.