Cognition and MicroRNAs

In a previous blog (Calculating Dementia), I wrote about an online health and lifestyle questionnaire that could predict your risk of dementia over the coming 5 year period. The algorithm behind the questionnaire was based on data from about 50,000 men and women in Canada. However, the algorithm didn’t take into account family history or …

COVID-19 Update – Variations on a Theme

The news is filled with alarming stories about new variants of SARS-CoV-2 that were isolated in recent weeks. These variants are versions of the original SARS-CoV-2 virus that have acquired mutations. Mutations are a natural and regular occurrence that happens when the parental viral genome replicates during the process of making progeny viruses. In an …