Navigation Links
Low heritability of tinnitus
Date:4/20/2010

The relative importance of genetic factors in tinnitus is low, according to new research from the Norwegian Institute of Public Health. This is the first large population-based study to measure the heritability of tinnitus.

The study looked at prevalence of tinnitus and to what degree it is hereditary. Prevalence of tinnitus was 15.1 percent, which correlates well with findings from other countries.

Tinnitus is a symptom with a variety of underlying causes, such as impaired hearing or exposure to noise and medicines.

Surprisingly low heritability

The new study shows that only 11 percent of the variance of tinnitus in the population are caused by genetic effects, whereas environmental factors account for the remaining 89 percent.

"Such a low heritability is a surprising find because most other diseases studied earlier have been more or less hereditary. We had expected that genetics and the environment would be roughly as important as each other," said Dr Ellen Kvestad at the Division for Mental Health at the Norwegian Institute of Public Health.

The article "Low heritability of tinnitus" was recently published in Archives of Otolaryngology Head and Neck Surgery.

Sub-groups of tinnitus can have higher heredity

In this study it was not possible to differentiate between different clinical forms of tinnitus.

"Our findings do not mean that genes are not important for some forms of tinnitus. Some sub-groups of tinnitus with certain underlying causes can have higher heritability. From our findings alone, resources cannot be allocated to find specific genes that code for tinnitus in general, added Kvestad.


'/>"/>

Contact: Julie Johansen
julie.johansen@fhi.no
Norwegian Institute of Public Health
Source:Eurekalert

Page: 1

Related biology news :

1. The effect of parental education on the heritability of childrens reading disability
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/22/2016)... and SANDY, Utah , March ... operates the highest sample volume laboratory in ... and UNIConnect, leaders in clinical sequencing informatics and molecular ... of a project to establish the informatics infrastructure for ... NSO has been contracted by the Ontario Ministry ...
(Date:3/15/2016)... March 15, 2016 Yissum Research Development ... technology-transfer company of the Hebrew University, announced today the ... sensing technology of various human biological indicators. Neteera Technologies ... million from private investors. ... the detection of electromagnetic emissions from sweat ducts, enables ...
(Date:3/10/2016)... , March 10, 2016 ... market research report "Identity and Access Management Market by ... Compliance, and Governance), by Organization Size, by Deployment, by ... published by MarketsandMarkets, The market is estimated to grow ... Billion by 2020, at a Compound Annual Growth Rate ...
Breaking Biology News(10 mins):
(Date:5/25/2016)... ... May 25, 2016 , ... The American Medical Informatics ... of the National Coordinator for Health IT (ONC) outlining a measurement approach to ... were available when and where it was needed. The organization of health informatics ...
(Date:5/24/2016)... ... May 24, 2016 , ... ... and traumatic injuries, will be accelerated by research at Worcester Polytechnic Institute (WPI) ... of wound healing and tissue regeneration. , The novel method, developed by WPI ...
(Date:5/23/2016)... ... May 23, 2016 , ... PrecisionAg® Media has released ... and Beyond. The paper outlines the key trends that are creating both opportunities ... witnessed a lot of highs and lows as the precision agriculture market has ...
(Date:5/23/2016)... ... May 23, 2016 , ... ... on molecular nanotechnology, announced the winners for the 2015 Foresight Institute Feynman Prizes. ... are given in two categories, one for experiment and the other for theory ...
Breaking Biology Technology: