Learning & Education
The whole world is getting more anxious by the day. According to recent statistics, up to 33.7% of people will be affected by an anxiety disorder during their lifetime [2], and there are currently 264 million people impacted globally [3].
In today’s article, we are going to cover the “fight or flight” (or “oh sh*t, there’s a bear!”) catecholamine and neurotransmitter known as norepinephrine (NE). As with gamma-aminobutyric acid (or GABA), serotonin, and dopamine, NE can’t cross the blood-brain barrier.