Anxiety is the most common mental health problem worldwide. Epidemiological studies
show that sleep disturbances, particularly insomnia, affect∼ 50% of individuals with anxiety …

Posttraumatic stress disorder (PTSD) is a chronic psychological disorder that can develop
after exposure to a traumatic event. This review summarizes the literature on the …

Anxiety disorders are common, complex psychiatric disorders with twin heritabilities of 30–
60%. We conducted a genome-wide association study of Lifetime Anxiety Disorder (n case …

The acquisition of fear associative memory requires brain processes of coordinated neural
activity within the amygdala, prefrontal cortex (PFC), hippocampus, thalamus and brainstem …

Anxiety disorders are the most common mental illness in the USA affecting 18% of the
population. The cause (s) of anxiety disorders is/are not completely clear, and research in …

Vitamin D, a fat-soluble vitamin, plays a role not only in calcium and phosphate homeostasis
but also in several other functions, including cell growth and neuromuscular and immune …

This systematic review and meta-analysis aimed to summarize the effects of forest therapy
on depression and anxiety using data obtained from randomized controlled trials (RCTs) …

Parkinson's disease (PD) is a progressive neurodegenerative disease which affects millions
of population worldwide. It is characterized by motor symptoms such as excessive tremor …

Evidence of aberrant hypothalamic-pituitary-adrenocortical (HPA) activity in many
psychiatric disorders, although not universal, has sparked long-standing interest in HPA …

PTSD is a debilitating neuropsychiatric disorder and many patients do not respond
sufficiently to current treatments. Neuropeptide Y (NPY) is suggested to provide resilience to …