By Dr Sunil Kumar MBBS MRCA FCAI FRSA FBSLM Dip IBLM, Board Certified Lifestyle Medicine Consultant
Physician, Master Health Coach, Anaesthesiologist, Author, International Speaker, Faculty for Lifestyle
Medicine Nationally and Internationally.
Epigenetics: A Field at the Frontier of Understanding Our Genes
Epigenetics explores the intricate biological processes that activate or deactivate our genes. It reveals how life’s experiences – from diet to social interactions, exercise, and even aging – can lead to chemical modifications around our genes, influencing their activity over time.
The Power of Epigenetics in Shaping Individuality
Our unique traits, from physical characteristics to personal tastes and social behaviours, are partially influenced by the varied combinations of genes being turned on or off. This phenomenon makes each individual distinct, even among humans who share much in common genetically.
Inheritance and Reversibility in Epigenetics
The dynamic nature of epigenetic changes means they can be passed down generations and, importantly, are reversible. With over 20,000 genes, the potential combinations of active and inactive genes are vast, opening doors to understanding numerous health and lifestyle questions.
Epigenetics and Lifestyle: Interconnected Pathways
- Exercise: Regular physical activity has been linked to beneficial genetic expressions, impacting overall health and mental well-being.
- Diet: Nutritional choices directly affect our DNA. Certain foods can damage DNA, while others, like those containing sulforaphane, curcumin, epigallocatechin gallate, and resveratrol, may repair or slow DNA damage.
- Sleep: Lack of sleep disrupts gene activity, with research showing significant alterations in the function of hundreds of genes even after a short period of sleep deprivation.
- Stress: Emotional and psychological stress, including our relationships and thought processes, can influence gene expression. Techniques like mindfulness meditation have been shown to decrease the expression of genes linked to inflammation, a key factor in many major diseases.
Epigenetics: A New Era in Disease Prevention and Lifestyle
Emerging research in epigenetics indicates that our daily habits, from dietary choices to physical activity and mental health practices, might play a pivotal role in activating or suppressing gene sequences that lead to various health conditions, including cancer.
The implications of epigenetics extend far beyond mere genetic determinism. It underscores the significance of our lifestyle choices in potentially altering our DNA and influencing our long-term health.
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