Social isolation that goes too long is associated with this molecule of Tachykinin in everything from flies to humans. It makes us more irritable, fearful, paranoid, and impairs our immune system. Tachykinin is like this internal punishment signal. It’s like our body and our brain telling us, “You’re not spending enough time with people that you really trust.Continue reading “Beating Stress, Anxiety and Depression by Inhibiting Substance P”