L-5-hydroxytryptophan (5-HTP) is both a drug and a natural component of some dietary
supplements. 5-HTP is produced from tryptophan by tryptophan hydroxylase (TPH), which is …

Tryptophan (Trp) is an amino acid and an essential component of the human diet. It plays a
crucial role in many metabolic functions. Clinicians can use Trp levels in the course of …

Sleep disorders are common in the general population and even more so in clinical practice,
yet are relatively poorly understood by doctors and other health care practitioners. These …

This British Association for Psychopharmacology guideline replaces the original version
published in 2010, and contains updated information and recommendations. A consensus …

Synthetic biology is touted as the next industrial revolution as it promises access to greener
biocatalytic syntheses to replace many industrial organic chemistries. Here, it is shown to …

Sleep disorders are a common problem during childhood. The consequences are variable,
and sleep disorders can influence medical, psychological and developmental aspects of the …

Autism Spectrum Disorders (ASD) are lifelong neurodevelopmental conditions characterized
by abnormal social interaction, communication, and behavior. Sleep disturbances represent …

Background: Sleep terrors are common, frightening, but fortunately benign events.
Familiarity with this condition is important so that an accurate diagnosis can be made …

Research shows a dramatic increase in use of the medical system during times of stress,
such as job insecurity. Stress is a factor in many illnesses–from headaches to heart disease …

Introduction Sleep disorders are the second most common medical comorbidity in autism
spectrum disorder (ASD), with effects on daytime behavior and functioning, mood and …