Blog Post Module 6

    This week I chose to blog about a TED Talk given by Tim Spector who is a Professor of Genetic Epidemiology and the Founder of TwinsUK. In his talk, he engages in the idea of how environmental factors play into how our genes shape our health and identity. Spector brought up a very interesting experiment he’s been working on and it was about how if ones grandparents smoked cigarettes at an early age, then it was more likely for them to produce children and grandchildren who would suffer from asthma. I found this actually related to my family because both my grandparents have smoked since they were in their early high school days. Back then, I suppose it was just a common thing to do at their school. However, I never put two-and-two together when my brother and I developed asthma back when we were just little kids. I soon grew out of it after a couple years, however, my brother still suffers from asthma to this day. He always carries a back up inhaler incase he finds himself extremely out of breath. I would have never imagined that my grandparents smoking habits could effect my genes and likelihood of developing lung cancer, especially since I’ve never touched a cigarette myself. My biggest takeaway from this TED talk was how we can start altering our destinies now through genetic epidemiology. Our environment and lifestyle carry a huge affect towards our genes and how we remain healthy. Spector acknowledges how you can reverse the effects of our genes epigenetically. For instance, exercise and a healthy diet can benefit a person in all sorts of ways. It not only builds up your immune system but it can also help eliminate someone's obesity gene. I also learned that if a person quits smoking, it only take about 3 months for their anti-cancerous cells to be re-stimulated which will better protect one's immune system.


Here is the link to the TED Talk: https://www.youtube.com/watch?v=1W5SeBYERNI 

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