In Chennai, Dr. Mohan’s Diabetes Specialties Centre has introduced a new program called Genomic Lifestyle Counselling (GLC). This initiative uses genetic testing to tailor lifestyle advice, focusing on diet, exercise, and treatment based on an individual’s unique biology. By analyzing saliva samples for metabolic markers, doctors aim to help manage or prevent diabetes, obesity, and heart disease with personalized guidance.
Why do some people lose weight quickly on a diet while others struggle? Why can one person consume coffee without issues, while another can’t sleep after just one cup? The key often lies in genetics. Dr. V. Mohan, a leading diabetologist, emphasizes that traditional lifestyle advice assumes everyone responds the same way, which isn’t always the case. “Just like fingerprints, our genetic makeup is unique,” he explains. Understanding these differences can reveal why diets and exercises affect individuals differently.
The program represents a shift toward precision medicine in healthcare, moving away from a one-size-fits-all approach. By identifying specific genetic traits, doctors can offer tailored recommendations. For example, some might need more carbohydrates in their diet, while others could benefit from increased protein.
Dr. R. M. Anjana, an endocrinologist involved in the program, elaborates on its scientific basis. GLC combines genomic assessments with structured lifestyle planning. This model empowers individuals to understand their health risks earlier and encourages informed decision-making that can potentially prevent chronic diseases.
The process is straightforward too. Participants receive a kit at home that includes a swab for saliva collection and simple instructions. Once the sample is sent back for analysis, results typically take a couple of weeks. Trained counselors then review the findings with the patient, providing insights on dietary adjustments and exercise tailored to their genetic profile.
Dr. Geeta Dharmatti, a nutrigenomic counselor, points out a fascinating aspect of this science: how our genes interact with food. For instance, some individuals process caffeine slowly, leading to potential sleep disturbances if they consume coffee. By understanding these interactions, healthcare professionals can design diet plans that align more closely with an individual’s genetic makeup, rather than relying on universal dietary guidelines.
This program could be beneficial for various groups. People with diabetes, those at risk, and individuals trying to lose weight may find personalized advice particularly helpful. Dr. Mohan notes that since genetic profiles remain stable over time, the test serves as a one-time assessment. The center plans to offer these services at a lower cost than many existing genomic testing options, making them more accessible.
As interest in personalized medicine grows, programs like GLC could redefine preventive healthcare. By helping individuals make informed lifestyle changes based on their genetic profiles, healthcare providers may promote healthier outcomes with greater success.
For more information on precision medicine and its benefits, check resources like the [National Institutes of Health](https://www.nih.gov/) or relevant health organizations dedicated to advancing genetic research.
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