https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2824902/

The findings from the Hopkins OCD family study are remarkably similar[23]. ... Early age at onset differentiates a strongly inherited subtype ... and environmental models whereas Mendelian dominant and ...

https://ghr.nlm.nih.gov/condition/obsessive-compulsive-disorder

Jun 11, 2019 ... Obsessive-compulsive disorder (OCD) is a mental health condition characterized by features ... What is the prognosis of a genetic condition?

http://beyondocd.org/ocd-facts/what-causes-ocd

It is believed that OCD likely is the result of a combination of neurobiological, genetic, behavioral, cognitive, and environmental factors that trigger the disorder.

https://www.verywellmind.com/ocd-and-genetics-2510481

May 4, 2019 ... Learn how it is clear that OCD has a genetic basis, but it is not yet clear which ... Environment Plays a Large Role in Illnesses Developing.

https://www.healthyplace.com/ocd-related-disorders/ocd/ocd-causes-is-ocd-genetic-hereditary

Experts still aren't clear on obsessive-compulsive disorder causes, but research suggests both genetic, physiological, and environmental factors may all have a ...

https://www.webmd.com/mental-health/news/20000427/ocd-possibly-hereditary

Apr 27, 2000 ... If you have obsessive-compulsive disorder (OCD), there is a good ... That is, there is more reason to suspect a stronger genetic basis if you ...

https://www.mayoclinic.org/diseases-conditions/obsessive-compulsive-disorder/symptoms-causes/syc-20354432

Sep 17, 2016 ... OCD may have a genetic component, but specific genes have yet to be identified. Environment. Some environmental factors such as infections ...

https://www.ocduk.org/ocd/what-causes-ocd/

... neurobiological, genetic, learned behaviours, pregnancy, environmental factors or specific events that trigger the disorder in a specific individual at a particular ...

https://www.newscientist.com/article/2150565-four-brain-genes-help-explain-obsessive-compulsive-disorder/

Oct 17, 2017 ... To investigate if OCD has a genetic basis, Hyun Ji Noh at the Broad ... “There's a complex interaction between genes and environment,” says ...

https://www.medicalnewstoday.com/articles/178508.php

Jan 18, 2018 ... Obsessive-compulsive disorder or OCD is a complicated ... of genetic, neurological, behavioral, cognitive, and environmental factors. Genetic ...