This article originally appeared on February 20, Follow Sharon Begley on Twitter. STAT delivers fast, deep, and tough-minded journalism. We take you inside science labs and hospitals, biotech boardrooms, and political backrooms. We dissect crucial discoveries. We examine controversies and puncture hype. We hold individuals and institutions accountable.
We introduce you to the power brokers and personalities who are driving a revolution in human health. These are the stories that matter to us all. Already a subscriber? Sign in. Thanks for reading Scientific American. Create your free account or Sign in to continue. The identification of these genes in an individual makes it easy to create a custom weight-loss regimen that works for your genetic makeup and increases your chances of losing weight and maintaining your weight loss over time.
Some of these genes are identified below. The FTO gene, a protein associated with fat mass and obesity, is found on chromosome The melanocortin-4 receptor MC4R gene is a known contributor to human metabolism. This gene controls how much energy we use from what we eat and contributes to our feelings of hunger.
Some people have a rare variant of this gene and are slightly more likely to be overweight. Ankyrin-B is a gene known for causing obesity in its variant form.
It causes fat cells to absorb glucose at an increased rate, which significantly increases the size of the cell. Panx 1, or Pannexin 1, is the gene that regulates obesity and the accumulation of fat. The presence of this gene is correlated with a higher risk of obesity.
The iroquois homeobox gene 3 IRX3 is a gene that may cause difficulty losing weight. Even if you express these genes, they should not be viewed as a lifetime obesity sentence or final destination. Your report also indicates how likely you are to use fat for energy during different types of exercise. It will give you specific information about fitness activities best aligned with your genetic results: which types of exercise, at what intensity, for how long, and how often.
Your DNA Healthy Weight report contains nutrition and exercise recommendations specific to your genetic test results i. The nutrition information discusses how much protein, carbohydrates and fat you should consume daily, which nutrients for which you may be at risk of deficiency, and which foods are good sources of those nutrients. You will learn how your body responds to fat, protein and carbohydrate intake in relation to how you use them for energy, and thus, how best to eat in order to lose body fat.
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