In the opinion of Professor Joe Nadeau, whatever we eat and do today can have long-term consequences for the health of our future generations. Scientists have discovered that how our bodies adjust to changing environments like plenty of fatty foods, can persist for many generations even though our descendants eat healthier food.
Obviously, how our bodies respond to fatty foods today would get reflected not just in our own diet and lifestyle, but also in the "metabolic memory" of our bodies as it did to the foods and lifestyle of our ancestors.
It has been reported that about half of the variation in human susceptibility to diabetes is due to environmental factors (for example exposure to fatty foods), but, the other half is attributable to inherited differences.
Dr Nadeau's team has carried out their experiments with two groups of mice and have arrived at the conclusion that non-genetic imprinting can persist for more than 100 generations.
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