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Image Source :-  thoughtco In a recent study, led by researchers from the Massachusetts General Hospital at Harvard Medical School, the authors describe how genetics is only one factor in the risk equation for Alzheimer's disease, even for forms of the disease that have a significant genetic component. Their findings were published in Nature Communications Trusted Source. Data from 675 people with the genetic mutation PSEN1 E280A, which predisposes them to early-onset Alzheimer's disease, was analyzed by researchers to assess the influence of genetics and educational attainment in cognitive decline. Around the age of 49, people with this mutation often start exhibiting dementia symptoms. The study team found that people with this mutation who also had the risk-increasing APOE e4 mutation saw a quicker beginning of cognitive deterioration. Why educational attainment is crucial These results suggest that educational level may have a significant role in cognitive resilience for fa...

      Image Source:-  searchengineland   The acronym SEO stands for "search engine optimization." SEO, or search engine optimization, is the act of making changes to your website in order to better position it when users search for: the things you market.Your services are offered. Details about subjects in which you have extensive knowledge and/or experience. Your pages are more likely to be seen and clicked on the more visible they are in search results. The ultimate objective of search engine optimization is to assist in attracting website visits who will convert into clients, customers, or a loyal audience. What distinguishes SEO from SEM and PPC? The phrases SEM and PPC are also frequently used in the greater search marketing community as well as here on Search Engine Land.  Continue reading to discover more about these two concepts and how they apply to SEO. SEO versus SEM SEM, or search marketing as it is more formally known, stands for search engine ...