Dr. Howard Smith Oncall

  Vidcast:  https://youtu.be/LKuMWAYkpEc   If you hope that a 23andMe test will predict health, don’t waste your money.  The largest meta-analysis of genetic testing, completed by the University of Alberta, shows that garden-variety mutations make only a 5 to 10% contribution to most disease.   These mutations, so called single nucleotide polymorphisms or SNPs, have a negligible impact on cancer, diabetes, dementia, and most other illnesses.  They do significantly affect a few including inflammatory bowel disease and macular degeneration.   This information empowers you to prolong your life and improve its quality by what you eat and how your exercise your body and brain.  These factors, not genes in your 23 pairs of chromosomes, control 90% of your health.   Jonas Patron, Arnau Serra-Cayuela, Beomsoo Han, Carin Li, David Scott Wishart. Assessing the performance of genome-wide association studies for predicting disease risk. PLOS ONE, 2019; 14 (12): e0220215 DOI: 10.1371/journal.pone.0220215   #Genetics #23an