Where your DNA places you among other people, and the studies behind it.
Not tailored to your result, and not medical advice
Quit or Avoid Smoking: Cigarette smoking is one of the few established modifiable causes of renal cell carcinoma, and the association tracks with how much and how long a person smoked. In a US study of 1,217 kidney cancer cases and 1,235 matched controls, risk rose with both smoking duration and pack-years among White participants after adjusting for age, body mass index and history of hypertension, and rose with smoking duration among Black participants. Compared with current smokers, risk fell with more years since quitting in both groups, which is the part of the association that behavior can move. Cancer Epidemiology, Biomarkers & Prevention (PMC)
Maintain a Healthy Body Weight: Excess body weight is among the most consistently reported risk factors for renal cell carcinoma, and the size of the association depends on tumor subtype. A Kaiser Permanente study of 685 cases was combined by meta-analysis with three others, and obesity (a body mass index of 30 or above) carried a summary relative risk of 1.8 for clear cell tumors and 2.2 for chromophobe tumors, but only 1.2 with a confidence interval spanning 1 for papillary tumors. Clear cell is the most common subtype and was the largest case group in that study. The authors took the pattern as support for the hypothesis that the subtypes have distinct causal pathways rather than one shared one. Cancer Epidemiology (PMC)
Pay Attention to Blood Pressure: Higher blood pressure is associated with kidney cancer in large population studies. In a Korean national cohort of 9.7 million adults, 11,083 kidney cancers occurred over eight years of follow-up, and risk rose in a dose-dependent way with both systolic and diastolic pressure, an association that persisted after accounting for whether people were being treated for high blood pressure. Blood pressure responds to everyday behavior such as regular physical activity, body weight, alcohol intake and the amount of salt in food. What your own readings mean, and what follows from them, is a conversation to have with a clinician. Hypertension (PMC)
Limit Solvent Exposure at Work: Trichloroethylene is an industrial degreasing solvent, and the National Cancer Institute states that prolonged or repeated exposure to it causes kidney cancer. Most exposure is occupational, through breathing vapour or absorbing it through the skin during metal degreasing and some cleaning work, though contaminated water near industrial sites and military bases has exposed communities as well. Where solvents are part of a job, ventilation, protective equipment and workplace exposure limits are what reduce contact. National Cancer Institute
Know the Limits of Prevention: Kidney cancer risk divides into fixed factors such as age, sex and inherited conditions, and intervening factors such as smoking, obesity, blood pressure, diabetes and occupational exposure. Most kidney cancer is sporadic rather than inherited, but the factors you can act on shift risk rather than remove it. Diet is the weakest link of all: the large EPIC and VITAL cohorts found no significant association between fruit or vegetable intake and renal cell carcinoma risk, despite a wide range of intake. There is also no established early-detection method for the general population, and tumors are usually found by chance on imaging ordered for something else. Cancers (PMC)
How much of this is genetic?
Genetics explains 38% of why people differ in this trait. The rest is environment, daily habits and chance.
Heritability estimate: Mucci LA et al., JAMA 2016
Background and further reading
Kidney cancer is a malignancy that arises in the tissues of the kidney. The most common form in adults is renal cell carcinoma (RCC), which begins in the lining of the tiny tubes that filter blood and make urine; clear cell RCC is the predominant subtype. Kidney cancer accounts for roughly 2-3% of all cancers worldwide and is diagnosed about twice as often in men as in women. Many cases are found incidentally on imaging done for other reasons, and early-stage tumors confined to the kidney are often treatable.
Genetic Basis: The Nordic Twin Study of Cancer estimated the heritability of kidney cancer at about 38% (95% CI 21-55%), meaning inherited variation contributes meaningfully but environment and lifestyle account for the larger share. A small number of rare, high-penetrance syndromes cause a minority of cases: von Hippel-Lindau disease (VHL gene), hereditary papillary RCC (MET), Birt-Hogg-Dube syndrome (FLCN), and hereditary leiomyomatosis and RCC (FH). These monogenic syndromes are NOT captured by a polygenic score. Genome-wide association studies have instead identified common variants of small individual effect, including loci near EPAS1/HIF2A (2p21) and at 11q13.3 (which regulates CCND1/cyclin D1), that act through the hypoxia-response (HIF) pathway central to clear cell RCC biology.
Environmental Factors: Several modifiable and clinical factors influence kidney cancer risk more strongly than common genetic variation. Cigarette smoking, excess body weight, and high blood pressure are the best-established modifiable risk factors. Chronic kidney disease and long-term dialysis (with acquired cystic kidney disease) raise risk, as do certain occupational exposures such as trichloroethylene. A polygenic score reflects only the common-variant component of predisposition and does not account for these exposures, family history of hereditary syndromes, or overall health.
The published research behind your score, and the variants it draws on.
1 published score from 1 study
The kidney cancer score combines 1 polygenic score drawn from 1 published study.
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Content updated August 2026.
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