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22 articles on science, backed by published research.
Kenyan and Ethiopian runners have dominated distance running since 1968. A single gene is a tempting explanation. The data say something more interesting: altitude, body shape and running economy.
A 2026 study found that about one person in ten carries a PAM gene variant that blunts the effect of GLP-1 drugs like semaglutide. What it means, and what your DNA report can and cannot tell you.
Your gut microbes follow a daily rhythm set largely by when you eat. Here is what the science shows, which genes are involved, and how to use it.
"Personalised nutrition" can sound like marketing. Large randomised trials involving thousands of participants say otherwise, and they explain exactly what personalisation can and cannot do.
Nutrigenomics is evolving beyond a single DNA test. Here's how genetics, gut microbiome data, and real-time biometrics are converging, and why your genes remain the one signal that never changes.
The DRD2 TaqIA variant (rs1800497) is linked to fewer dopamine D2 receptors, a blunted reward signal and a stronger pull toward ultra-processed foods. Here is what the science says and what to do about it.
Nearly half the population carries BCMO1 variants that reduce beta-carotene to vitamin A conversion by up to 69 percent. Here is what that means for your diet, especially if you rely on plant foods.
The COMT gene determines how quickly your brain clears dopamine after stress. Whether you are a warrior (Val/Val) or a worrier (Met/Met) shapes how you handle pressure and what you should eat.
Cutting salt helps some people's blood pressure and barely moves others. That difference, salt sensitivity, is partly genetic, shaped by genes like ACE and ADD1.
Chrononutrition shows when you eat matters, and your circadian genes like PER3 help decide how your body handles a meal at different times. Here is the science.
Is red meat good or bad? It depends on your genes. A look at the NAT2 detox gene, the COL1A1 finding and how your DNA shapes the way you handle red meat.
A 2026 UK Biobank study links diet to telomeres, biological age and brain volume. Here is what it means, and how your genes shape how food affects your ageing.
Iron is not only about overload. A 2026 review shows genes like TMPRSS6 tip some people toward iron deficiency. Learn the science and how your DNA shapes your iron.
New 2026 research shows your FTO and TCF7L2 genes change how each meal reshapes your epigenetics, your hunger and your blood sugar. Here is the science and what to do.
New research shows fructose sends a weaker fullness signal to the brain than glucose. Here is the science, and how your DNA shapes appetite and sugar handling.
The number of copies of the salivary amylase gene (AMY1) ranges from 2 to 15+ between people and shapes your response to carbohydrates, a striking example of gene-diet adaptation.
A rare variation of the APOE gene helps some brains resist Alzheimer's-related changes, but protective genetics is not the same as guaranteed protection.
DNA analysis of prehistoric residues reveals ancient populations made kefir-style cheese to overcome lactose intolerance 8,000 years ago, millennia before the LCT gene mutation spread through Europe.
A landmark study from Seoul National University confirmed that the ALDH2*2 variant disrupts alcohol metabolism in 540 million people worldwide. This gene, analysed in your FuelYourDNA profile, has concrete nutritional implications.
Researchers at Peking University demonstrated that diet, stress, and exercise physically modify the chemical markers on your DNA. Your genome is the hardware; your epigenome is the software, and your daily choices are constantly updating it.
Explore the fascinating field of nutrigenomics and learn how your genes interact with food to influence your health outcomes.
Explore how APOE gene variants influence cholesterol metabolism, heart health, and cognitive function with personalized dietary strategies.