Nutritional and other environmental factors, such as too much or too little food, toxins, smoking, trauma, viral infections, and other stress-inducing factors—both before and after birth—can affect the functioning of genes due to changes in the proteins regulating those genes. These changes can even be inherited much as genes are inherited, incredibly complicating the study of genetic involvement in illness.
This month, we are fortunate to have a paper describing the subject written by a nutritional science student studying dietetics.
