The road to answering these questions may have a lot to do with specific genetic factors that vary from individual to individual, a new study in rats suggests. (sciencedaily.com)
Testing for certain genes has previously documented an association between specific genetic factors and outcomes from injuries such as concussion. (sportscapp.com)
These factors can be refined later to more specific genetic factors, which may apply to breeds which present most or least highly for aggression as determined by reliable databases developed though well - designed epidemiological studies. (englishspringerfoundation.org)