AN	Anorexia nervosa
ANS	Autonomic nervous system
HPA	Hypothalamic–pituitary–adrenal
CRH	Corticotropin-releasing hormone
ACTH	Adrenocorticotropic hormone
HPG	Hypothalamic–pituitary–gonadal
FHA	Functional hypothalamic amenorrhea
GnRH	Gonadotropin-releasing hormone
FSH	Follicle stimulating hormone
LH	Luteinizing hormone
CVD	Cardiovascular disease
HPT	Hypothalamic–pituitary–thyroid
T3	Triiodothyronine
T4	thyroxine
GH	Growth hormone
IGF-1	Insulin-like growth factor 1
PYY	Peptide YY
BMI	Body mass index
IFN	Interferon
IL	Interleukin
TNF	Tumour necrosis factor
NTS	Nucleus tractus solitarii
α7nAChRs	α7 subunits of containing acetylcholine receptors
HR	Heart rate
HRV	Heart rate variability
CAN	Central autonomic network
HF-HRV	High frequency band of heart rate variability
RSA	Respiratory sinus arrhythmia
BP	Blood pressure
BPV	Blood pressure variability
LF-BPV	Low frequency band of blood pressure variability
BRS	Baroreflex sensitivity