Personalized nutrition - Could genetic tests improve your health and your figure? | DW Documentary

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Published 2024-01-18
Carbohydrates, fats, proteins. Each person is different, and every body utilizes food in a different way. That’s why a personalized diet can help you lose weight, and give you more energy.

Now, scientists around the world are working on a precision formula tailored to the individual. Can DNA tests and analyses of the microbiome determine the ideal diet for each person’s health?

Many people know that elevated blood sugar levels can lead to obesity and trigger type 2 diabetes mellitus. "Far less well known is that, for each person, different foods drive up blood sugar levels," says Prof. Christian Sina, director of the Institute of Nutritional Medicine at the University Hospital of Schleswig-Holstein. "It makes no sense to divide foods into 'healthy' and 'unhealthy' across the board. Rather, people should be divided into different categories, in order to find out what each individual personally tolerates best."

This research has its foundation in Israel. At the Weizmann Institute of Science in Rehovot, Professor Eran Elinav developed an algorithm that uses stool sample analyses to create individualized dietary recommendations. The algorithm is now part of a nutrition app used by more than 70,000 people.

DNA analyses to create personalized diet plans have been available in Germany for several years, but consumer advocates and scientists have criticized the approach, saying it lacks evidence.

#documentary #dwdocumentary #nutrition
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All Comments (21)
  • @aRAsgym
    More fiber and fermented foods, and less processed foods is my general rule. Highly recommended, supported by science and me ;)
  • 00:08 Different individuals react differently to the same foods based on their metabolism and blood sugar levels. 02:50 Understanding the impact of carbohydrates on blood sugar levels 08:14 The microbiome has a strong influence on food tolerances and blood sugar responses. 10:59 Personalized responses to diet and microbiome affect blood sugar levels 16:39 Alcohol metabolism and genetic variants affecting obesity 19:06 A DNA test kit promises to determine metabolism and suggest personalized diet. 24:04 Personalized nutrition can improve blood sugar levels 26:27 Personalized dietary recommendations based on microbiome analysis lead to better health results. 30:59 Optimizing nutrition in old age and its impact on longevity 33:25 Blood sugar levels and metabolism impact migraines and overall health. 37:56 Differences in blood sugar responses to food and snacks 40:09 Personalized nutrition is the key to combating lifestyle diseases like obesity and diabetes
  • @galomarino7306
    Another great and informative report. This channel has amazed me on content quality that is actually useful and important to all of us. Thank you for keep journalism so helpful.
  • Individualized nutrition is the future! We hope that more people are able to access to tests like these in the future
  • excellent documentary as usual, great job DW team. There is an error in the visualization of the SNPs though: the image at 17:40 represents a base mispairing and not a SNP.
  • I hypothesized that the incidence of gallstones in people of indigenous ancestry in Peru was due to the drastic change from a very low-fat diet to a high-fat diet, which happened in a very short generational time. The numbers of people who have cholecystectomy don't lie. These studies make me think that there is definitely a relationship. The information about what we eat and what works to keep us alive is stored in our genome and passed on to offspring. By the way, I'm one of those numbers.
  • Always ahead in your presentation on matters of public interest. Great job and well done guys.
  • I greatly appreciate this very life saving health Docu that back up with science and very details and easily understood. Keep it up✋️🤍
  • @guruzinbox
    DW has always been doing a great work with variety of subjects with its documentaries 👏👏👏
  • Whats best for health is the least processing steps on food possible. The issue is that people & companies make most money where there is the most processing. Clear case where regulation can help.
  • @psylinx
    Thank you for this. So maybe in the future we will get tests that can help us to determine what is the right diet for our systems? George Davis
  • @Natella3312
    It is important to practise meaningful eating! No hurry! Carefully chu each bite before to swallow it, for at least 20 times. I was taught this wisdom by my grandmothers since my very early age. Love and peace to all humans!
  • @wyosundancer
    It is good to see someone actually studying the effects rather than just saying something because they know so. I have had type 2 diabetes a little over 10 years now. When I first got it I saw some HORRIBLE - DANGEROUS doctors without any actual training giving advice and recommending too many drugs. I started keeping records of diet, exercise etc. I had one doctor absolutely refuse to look at any of that. I did figure out what I could and couldn't eat though. During that time I found out about the fact that Protein becomes Glucose if eaten in excess. The Keto diet has some good points, but is too heavy on Proteins.
  • @Andre-qo5ek
    i get the idea of eating with time between meals... but maybe the time between meals is an important part of the difference in impact? idk, its all complicated and there is no reason why we can't get larger participant numbers.......
  • @0ptimal
    Love it. This is the sort of detailed approach that people need to find, or get closer to, their optimal diet. For most things human there are too many variables for a one size fits all approach.
  • It was a great documentary shared by an excellent ( DW) documentary channel. Documentary about personalized nutrition and types of human genetics +types of intestine Microbiom mixture ,both factors relationships to suger ranges in blood stream of individuals...documentary indirectly labeled to precious advices about human nutrition
  • @ketograssroots
    "We get this essential sugar from our diet" at minute 2.25. At this point I knew this was going to be biochemically inaccurate. There is no carbohydrate that is essential. As you know, there are essential proteins and fatty acids, but there is no requirement for carb to be eaten, as glucose etc. can be synthesized in the body from fats and protein. Oh dear! Two minutes in and they are spouting rubbish. However, I expect it will improve.... maybe. My CGM shows I spike with any carb, so I do not eat more than 20g net carbs a day. I stick with red meat, eggs, cheese and butter, and lost 31kg in a year, and reversed my diabetes and fatty liver, and got my blood results back to normal. I stay keto now. Mood always buoyant, energy good, slim and fit, and I've stopped snoring. Yay! Pass the butter!