Nurture is seen is with twins that were put up for adoption and separated shortly after. The twins are born with the same genetics, but growing up they have different environments that could affect how they act in the future. In the article Twins Separated at Birth Reveal Staggering Influence of Genetics, they followed identical twins- Jim Lewis and Jim Springerfrom the age of four weeks old until they were thirty-nine.“When the twins were finally reunited at the age of 39 in 1979, they discovered they both suffered from tension headaches, were prone to nail biting, smoked Salem cigarettes, drove the same type of car and even vacationed at the same beach in Florida” (Tanya Lewis). Since they were separated at only four weeks old, they did not know that they had the same problems or