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How does food DNA testing work?

In recent years, DNA food testing has become increasingly popular and simpler to obtain; nonetheless, the question remains whether or not it has any bearing on a person’s health. In this section, I will discuss the significance of dietary DNA testing, as well as its applications and the types of people who might benefit from it.

Why is knowledge of genetics so necessary?

What would you do if the diet recommended by a buddy didn’t work for you at all? The information included in our DNA is responsible for determining not only how we appear on the outside but also how we feel on the inside. Proteins that are encoded in our DNA have an effect on digestion, absorption, and metabolism, all of which are related to food.

Why Nutritional guidelines can be challenging to put in place.

Outliers are people who don’t follow government dietary rules. Doctors and dietitians utilise this data to make judgments. While most people benefit from these guidelines, some may see their health suffer.

Example: caffeine.

CYP1A2 affects caffeine metabolism in each individual. Our liver produces the CYP1A2 enzyme to break down caffeine. Those who quickly metabolise caffeine and have a lower heart attack risk can drink one to three cups of coffee daily.

Slow metabolisers of caffeine double their risk of a heart attack with two cups per day and quadruple it with four. This suggests limiting coffee consumption to control blood pressure.

How does dietary DNA help?

Heart health

Blood pressure regulation

When it comes to tea and coffee, genetic testing can reveal if it raises or decreases blood pressure for fast caffeine metabolism and vice-versa. For the most part, a low-salt diet helps people with hypertension maintain healthy blood pressure levels. Others will see a rise in blood pressure due to a salt-reduced diet plan.

Cholesterol-control

People who drink moderately are less likely to suffer from heart disease than those who don’t. Due to our ADH1C gene, which increases ‘good’ HDL cholesterol, we metabolise alcohol more slowly. One glass of wine a day can help slow metabolisers avoid heart disease. Those that are quick to break down alcohol will gain from experience.

Gut health

Testing for wheat intolerance and coeliac disease

Gluten, a protein found in wheat, rye, and barley, causes Celiac disease. Celiac disease, which is connected to wheat sensitivity, affects a small number of people. A celiac disease diagnosis requires six weeks of gluten consumption at two meals each day. Gluten-intolerant people may find this offensive.

Lactose intolerance occurs when our bodies cannot digest the sugar (lactose) found in milk. Some adults above the age of 5 are unable to produce lactate dehydrogenase. Bloating and diarrhoea may occur as a result. LCT genotyping determines if an adult can manufacture lactase. It eliminates the need for trial and error when detecting bloating and diarrhoea.

Loss of weight

Compared to programs that don’t involve DNA testing, those help participants lose more weight over a more extended period while also being more maintainable.

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