Researchers found that Texas counties with higher levels of lithium in their groundwater had less of an increase in Alzheimer’s rates compared with counties that had lower levels of lithium. This isn’t a total surprise since previous studies had linked lithium to a decreased risk of dementia, but it is a great confirmation at a large scale population level.
Utilize our Sleep & Circadian Rhythm Topic Summary Reports with your 23andMe or AncestryDNA genetic data to see which articles may be most relevant to you. These summaries are attempting to distill the complex information down into just a few words. Please see the linked articles for details and complete references. (Member’s article)
Seasonal Affective Disorder (SAD) is characterized by recurrent depression with a change in the season usually in fall/winter for most. Scientists think this is possibly due to an aberrant response to light – either not enough brightness to the sunlight or not enough hours of light. Your genes play a big role in this responsiveness to light.