A healthy lifestyle, not your genes, is the best predictor of good health. Many people think that genes determine their destiny. If your father died of heart disease, those genes actually are not a good indicator of your health risks. DNA is not what matters. Healthy lifestyle is the key.
Healthy Lifestyle Matters Much More Than DNA
New research shows that your DNA is not your destiny. It’s not even a reliable predictor of your health.
New research by University of Alberta scientists demonstrates that in most cases, your genes have less than five per cent to do with your risk of developing a particular disease.
Research on DNA
In the largest meta-analysis ever conducted, scientists have examined two decades of data from studies that examine the relationships between common gene mutations, also known as single nucleotide polymorphisms (SNPs), and different diseases and conditions.
And the results show that the links between most human diseases and genetics are shaky at best.
According to David Wishart, professor in the University of Alberta’s Department of Biological Sciences and the Department of Computing Science and co-author on the study:
- Simply put, DNA is not your destiny, and SNPs are duds for disease prediction.
- The vast majority of diseases, including many cancers, diabetes, and Alzheimer’s disease, have a genetic contribution of 5 to 10 per cent at best.
The study also highlights some notable exceptions, including Crohn’s disease, celiac disease, and macular degeneration, which have a genetic contribution of approximately 40 to 50 per cent.
“Despite these rare exceptions, Wishart concludes that “it is becoming increasingly clear that the risks for getting most diseases arise from your metabolism, your environment, your lifestyle, or your exposure to various kinds of nutrients, chemicals, bacteria, or viruses.
The findings fly in the face of many modern gene testing businesses models, which suggest that gene testing can accurately predict someone’s risk for disease.
The bottom line is that if you want to have an accurate measure of your health, your propensity for disease or what you can do about it, it’s better to measure your metabolites, your microbes or your proteins — not your genes.
This research also highlights the need to understand our environment and the safety or quality of our food, air, and water.
So don’t use your genes as an excuse not to adopt a healthy lifestyle.
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