Gordyndra: Gwahaniaeth rhwng fersiynau

Gall [[hypnotherapi]] ar y cyd â triniaethau eraill gynorthwyo i leddfu gordyndra,<ref name="Reavley et al">{{cite book |url=http://www.mhfa.com.au/cms/wp-content/uploads/2011/02/whatworks_anxietydisorders.pdf |title=''A Guide to What Works for Anxiety Disorders'' |first1=Nicola |last1=Reavley |first2=Nick |last2=Allen |first3=Anthony |last3=Jorm |first4=Amy |last4=Morgan |first5=Rosemary |last5=Purcell |year=2010 |location=Melbourne |publisher=beyondblue |isbn=978-0-9807463-1-0|archiveurl=http://web.archive.org/web/20120319004855/http://www.mhfa.com.au/cms/wp-content/uploads/2011/02/whatworks_anxietydisorders.pdf|archivedate=2012-03-19}}</ref> drwy feddwl mwy positif ac ymlacio'r cyhyrau. Ceir sawl [[Llysiau rhinweddol|llysieuyn rhinweddol]] sydd wedi'u defnyddio am ganrifoedd i leddfu'r symtomau hyn e.e. [[Llysiau'r bara]] (''coriander''), [[Brenhinllys]] (''basil''), ''[[Kava]]'', rhisgl [[Magnoliales|Magnolia]], rhisgl ''[[Phellodendron]]'', ''[[Hypericum perforatum]]'', a ''[[passiflora]]''. Hyd yma, methodd ymchwil gwyddonol a phrofi effeithiolrwydd y llysiau hyn.<ref>{{cite journal |pmid=17853630 |year=2007 |last1=Saeed |first1=SA |last2=Bloch |first2=RM |last3=Antonacci |first3=DJ |title=''Herbal and dietary supplements for treatment of anxiety disorders'' |volume=76 |issue=4 |pages=549–56 |journal=''American family physician''}}</ref>