Sunday, April 16, 2017

Study reverses thinking on genetic links to stress, depression

Image result for stress

For many years scientists have been trying to figure out if the gene linked to the brain chemical serotonin has any anything to do with stressful situations leading to depression. prior to this study it was thought that a variant of the serotonin transporter gene were not as prepared to deal with high levels of stress, and if an individual encountered stress they were more likely to develop depression. This concept was widely accepted by many people. But this study done on 40,000 people showed that there was no connection between the serotonin gene and people not being able to handle stress and developing depression. They now know that stress is related to depression and genes do have a connection to depression but this specific gene does not have an effect. 

serotonin gene

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