Background A great deal of evidence has shown that iron is an important component in
cognitive, sensorimotor, and social-emotional development and functioning, because the …

Backgrounds Several cross-sectional studies suggested a link between endometriosis and
mood disorders. However, the temporal association between endometriosis and mood …

OBJECTIVE Studies have suggested the association between autism spectrum disorder (ASD)
and type 2 diabetes mellitus (DM)–related risk factors, such as obesity and dyslipidemia. …

Several cross-sectional studies have reported a common comorbidity between depression
and fibromyalgia syndrome (FMS). However, a bidirectional temporal association between …

BackgroundPrevious evidence has shown positive associations between post-traumatic stress
disorder (PTSD) and hypertension, dyslipidaemia and diabetes mellitus, which are all risk …

Background Previous cross-sectional studies have suggested a comorbid association
between atopic dermatitis (AD) and depressive disorder as well as anxiety disorders, but the …

Background: Attention deficit hyperactivity disorder (ADHD) and tic disorder usually co‐occur
in the same individuals, but the underlying mechanisms remain unclear. Previous evidence …

Background: Previous studies reported a high prevalence of depression among patients with
autism spectrum disorder (ASD) and suggested a relationship between ASD and suicidality…

Objective Previous studies have found a temporal concordance in the increased prevalence
of atopic diathesis/atopic diseases, attention-deficit hyperactivity disorder (ADHD), and …

Objective: Patients with ADHD have been suggested to have increased risks of allergic diseases
but without consistent results, and limited studies about the association between ADHD …