Dr. Fred Arnold attended the Laboratory, Endocrine & Neurotransmitter Symposium (LENS) in Las Vegas, Nevada February 7-9, 2020. The emphasis of this conference was advanced hormone, HPA axis/adrenal and neurotransmitter testing and optimization. A high light of the conference was lecture given by Dr. Pamela Smith. Even though he has attended similar conferences with this group, he always learns something new to better help his patients.