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Helenalin, or (-)-4-Hydroxy-4a,8-dimethyl-3,3a,4a,7a,8,9,9a-octahydroazuleno[6,5-b]furan-2,5-dione, is a toxic sesquiterpene lactone which can be found in several plants such as Arnica montana and Arnica chamissonis Helenalin is responsible for the toxicity of the Arnica spp.
Arnica montana. Arnica montana is a flowering plant about 18–60 cm (7.1–23.6 in) tall aromatic fragrant, herbaceous perennial. Its basal green ovate leaves with rounded tips are bright coloured and level to the ground. In addition, they are somewhat downy on their upper surface, veined and aggregated in rosettes.
In December 2022, European Child & Adolescent Psychiatry published a systematic literature review of 28 longitudinal studies published from 2011 through 2021 of associations between digital media use by children and adolescents and later ADHD symptoms and found reciprocal associations between digital media use and ADHD symptoms (i.e. that ...
Attention deficit hyperactivity disorder management options are evidence-based practices with established treatment efficacy for ADHD.Approaches that have been evaluated in the management of ADHD symptoms include FDA-approved pharmacologic treatment and other pharmaceutical agents, psychological or behavioral approaches, combined pharmacological and behavioral approaches, cognitive training ...
Arnica latifolia is a species of arnica in the sunflower family, known by the common names broadleaf arnica, broad leaved arnica, mountain arnica, and daffodil leopardbane. [2] It is native to western North America from Alaska east to Northwest Territories and south to Mono County , California , and Taos County , New Mexico .
Arnica / ˈ ɑːr n ɪ k ə / is a genus of perennial, herbaceous plants in the sunflower family ().The genus name Arnica may be derived from the Greek arni, "lamb", in reference to the plants' soft, hairy leaves.
Arnica lonchophylla is a species of flowering plant in family Asteraceae. The common names for this species includes longleaf arnica , northern arnica , [ 2 ] and spear-leaved arnica . [ 3 ] It has daisy-like yellow flowers that are 2.5 to 5 cm across with a yellow center disks.
ADDitude magazine is a quarterly consumer publication about attention deficit hyperactivity disorder (ADHD or ADD) owned and operated by WebMD, LLC in New York, NY. It contains feature and service articles about ADD, ADHD and comorbid conditions including depression, anxiety, and learning disabilities like dyslexia.