Questions tagged [nutrition]

Questions relating to the intake, safety, effects of nutrients, and their biochemical interactions with our body.

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WHO has linked processed / dried meat to cancer. Does this have implications for dried fish, fruits, vegetables? [closed]

I eat a lot of dried mushrooms, mushroom jerkies, and am thinking about adding fish jerky to my diet. Since dried and processed meat have been linked to cancer by WHO, would this say anything about ...
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-4 votes
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Could drinking a small dose of acetone daily be therapeutic for dementia and other neurological diseases?

According to limited research, outlined in this article: https://blogs.scientificamerican.com/mind-guest-blog/the-fat-fueled-brain-unnatural-or-advantageous/ Ketosis inhibits the progression of ...
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A vitamin supplement can be both water and fat soluble? [closed]

How can these nutritional facts included supplement can be defined? Water-soluble or fat-soluble?
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Are nutrition values always additive?

(Edited to clarify question, I am a math professor not a biologist so I appreciate help clarifying the language to match the knowledge base present here.) As I understanding nutrition labels, if a ...
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May subclinical Acatalasemia cause premature gray hair in an otherwise healthy human and if so, how is it normally treated?

It was written in the current version of the Wikipedia article Catalase: Low levels of catalase may play a role in the graying process of human hair. Hydrogen peroxide is naturally produced by the ...
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3 votes
1 answer
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What is the evidence that blood sugar spikes, within a non-diabetic range, are inherently harmful?

It's become part of popular nutrition advice that people should avoid foods that "spike" their blood sugar, with the belief that sharp rises and drops in blood sugar over time cause insulin ...
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What are DRVs and RDIs in "daily values" (DVs) for nutrition labeling?

The U.S. Food and Drug Administration (FDA) set "Daily Values" (DVs) for labeling foods that are comprised of Daily Reference Values (DRVs) and the Reference Daily Intakes (RDIs). From here:...
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Is high metabolism a problem?

I got a scale that takes a lot of measurements through bioimpedance. It has an accompanying app called OKOK.international, and when you upload your height, age, and gender on their app, it shows what'...
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3 votes
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Studies on the effect of combinations of dietary phenols, caloric fasting, and fiber on those with IBS

I'm interested in how gut bacteria ecosystems are affected when no protein and no digestible carbohydrates are consumed in combination with dietary phenols, and indigestible carbohydrates like fiber. ...
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carb deficiency pathology association in sedentary people

Is carbohydrate consumption a recommended medical treatment for any pathology in otherwise healthy, sedentary people? By sedentary, I mean sitting at a desk most of the day, with no more than 5 hours ...
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What pathway triggers loss of appetite resulting from vomiting/nausea?

Some anorexic/bulimic people purposely induce auto vomiting which results in significant periods of no appetite, no food craving, and no hunger. There obviously is a purposeful mechanism in autonomy ...
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Is breakfast the most important meal of the day? [closed]

Everyone has heard the saying that "breakfast is the most important meal of the day" and thus "you should never skip breakfast". Is there any evidance of this? Are there any ...
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How to make sense of vitamin B supplements offered in doses varying by 7000%?

These two Vitamin B Complex supplements contain doses that differ by a factor of as much as 70 times. How much, if any, supplement is good for you? That depends of course on you, your diet, your ...
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Can autoantibodies found in the father affect the embryo, and how?

From "Folate Receptor Alpha Autoantibodies in Autism Spectrum Disorders: Diagnosis, Treatment and Prevention" (2021): Comparison of the Childhood Autism Rating Scale (CARS) after 2 years of ...
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1 answer
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Would a person with high body fat survive longer without food?

Considering the following information: The more fat stores available, the longer a person can typically survive during starvation. Once the fat stores have been completely metabolized, the body then ...
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Ice cream after surgery (Forrest Gump)

Forrest Gump: The only good thing about being wounded in the buttocks is the ice cream. They gave me all the ice cream I could eat. https://www.youtube.com/watch?v=1sY7umyLACw (from 00:30) Is there a ...
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Why nutritional / Dietary supplement pills are having their side effects?

I was recently reading about nutritional or dietary supplement medicines or pills most of them contain wide range of vitamins and minerals essential for well being of a human being and are used to ...
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1 vote
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How does the brain react to intermittent fasting during the whole cycle?

In the 16/8 intermittent fasting, you eat for 8 hrs then fast for 16hrs. I am curious about how the brain reacts to these changes as the cycle progresses through the day. When will cognitive ...
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Amino acid data - 101 for beginners

I am a data analyst who received amino acid data from lab to transform them into a form suitable for analysis. What I would like to check with you is check whether the below terms mean the same? For ...
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Can menstruation disorders be in any way linked to an elevated intake of sodium and/or calcium?

Can menstruation disorders be in any way linked to an elevated intake of sodium and/or calcium? This excerpt got me wondering about that. I didn't find anything on Google that would corraborate this ...
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-2 votes
1 answer
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Understanding google's nutrition chart

When I googled "Chikpea", it shows following chart on right: It says: *Per cent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your ...
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Determining levels of Phenylalanine in common foods

As a result from my recent concerns regarding Phenylketonuria, I would like to ask the community: Where can I find the quantities of Phenylalanine in common nutritional items such as milk, eggs, ...
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about official recommendations for protein intake [closed]

The recommendations for protein intake is about 0.8 - 0.9 g/kg/day for a person with moderate activity. Does one should stick to that quite closely, or would it be prejudicial for health to have just ...
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Does the digestive process in humans consume water?

This question arose out of a discussion about fasting during Ramadan. Which, if you are not aware, involves abstaining from eating and drinking between dawn and dusk. Something which can be quite ...
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Is it problematic for stomach/guts to skip breakfast? [closed]

In WebMD we read Many people skip the a.m. meal because they’re rushing to get out the door. That’s a mistake. You need food in your system long before lunchtime. However I have come across this ...
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1 vote
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How much do certain probiotics reduce cavity causing bacteria?

In the paper titled Effect of Short-term Consumption of Amul Probiotic Yogurt Containing Lactobacillus acidophilus La5 and Bifidobacterium Lactis Bb12 on Salivary Streptococcus mutans Count in High ...
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1 vote
1 answer
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Meaning of "natural" in "high natural protein intake" in a consensus guideline on BH4 deficiencies

From the Consensus guideline for the diagnosis and treatment of tetrahydrobiopterin (BH4) deficiencies: Apart from BH4Ds, the differential diagnosis of HPA includes phenylalanine hydroxylase (PAH) ...
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What is the basis for fiber intake recommendations [closed]

I see recommendations across the web for anywhere from 20 to 38 grams of daily fiber intake, depending on your demographic. Now, I'm a big fan of fiber and how it helps digestion. But looking at the ...
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1 vote
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Cholesterol: What is the upper limit for VLDL and how do you lower the levels?

Linked to Cholesterol: How can you lower LDL and maintain OR raise HDL? Everywhere I look online (e.g. Cleveland Clinic), it says about keeping LDL (Low Density Lipoproteins) to less than 100 mg/dL ...
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2 answers
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Fats in nutrition information does not add up. Where are the unknown fats coming from?

I have a certain product that says there were 8 g of fat. Listed below it are the fats content such as Omega 3 - 4379 mg, Trans fat - 0 g, Saturated fat - 1.5 g. But all these does not add up! I ...
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Is it possible for humans to absorb nutients from the soil similar to trees?

Recently heard about a practice where the pores of skin are expanded by steam or pierced with small holes. The body or portion of is then submersed or lathered in a nutrient solution for absorption ...
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Is it possible to measure L-cysteine amino acid levels in the body?

The supplement N-ACETYL CYSTEINE (NAC) is increasingly popular among patients suffering from the mental and physical issues NAC claims to improve. However, the article also states "it is found in ...
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Can eating food cause you to gain more weight than the mass of that food, over time [duplicate]

NOT A DUPLICATE OF: Can food make you put on more weight than it's own weight? That question diverges off into stuff about calories and energy density and other stuff, which I'm not interested in ...
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Is drinking blended meals just as nutritious as eating whole meals? [closed]

If you cook a meal and then blend it and drink it, are you getting more-or-less the same amount of nutrition from the meal? Does your body absorb the nutrients in the same way as it would otherwise? ...
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1 vote
1 answer
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How does refeeding syndrome cause pitting edema?

In the answer to "How do you feed a starving person in a way that won't kill them?", it is mentioned that refeeding syndrome can cause peripheral edema. How does this occur?
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1 answer
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Is it possible to gain weight from only glucose?

Assuming a diet of only glucose, is it possible to gain weight? I know that fructose can be converted by the liver to triglycerides and be stored as fat. However, my understanding is that glucose can ...
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1 vote
0 answers
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Is it bad to eat fruits after a meal? [closed]

In France, it is commons to end a meal with a fruit. Also in different part of the world: I grew up having traditional Chinese dinners cooked by my grandmother most nights. Her large dining table ...
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2 votes
2 answers
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Can (mal)nutrition cause muscle twitches?

We have often seen and/or experienced annoying involuntary muscle twitches in the corners of the eyes, in calf muscles etc. But I have wondered about their causes. WebMD states that [e]yelid ...
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-2 votes
1 answer
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How to Determine How Much Water to Drink [closed]

I am planing to develop a mobile application to monitor the water intake level of a person. I found the following calculator, but I have no idea what is the formula that they have used in the ...
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1 vote
0 answers
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If protein poisoning is caused by a lack of dietary fats, why isn't it more prevalent? [closed]

From what I've read about protein poisoning/rabbit starvation, the issue is a complete lack of fats in the diet. The malnutrition symptoms are pretty bad, and it's telling that cravings can only be ...
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0 votes
1 answer
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Is it risky to eat at most 12 ounces of canned sardines weekly for about two months?

According to this page https://www.livestrong.com/article/550938-health-risks-of-eating-sardines/ In the 'Concern About Sardines' Mercury Content' section The FDA recommends a weekly intake of two to ...
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1 vote
0 answers
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Does broccoli interfere with CYP3A4 metabolism?

There are many articles on the effects of the active ingredients in Broccoli but I have yet to find the "smoking gun" on this question. I know grapefruit is a big offender in blocking CYP3A4 but I am ...
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What is the relationship between cancer and sugar? [closed]

I was watching "The Magic Pill" documentary series on Netflix. And, a woman indicated that she completely cured a fairly aggressive breast cancer by eliminating just about all sugars and most ...
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5 votes
3 answers
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Can a calorie be neither protein, carbohydrate, nor fat?

I recently started using MyFitnessPal to try to lose weight and I noticed that a particular beer I had drunk has a tremendous number of calories relative to the number of grams of carbs it contains ...
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3 votes
1 answer
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What is daily sedation interruption for ventilated patients?

I was reading about ventilator bundle here and came across this term called Daily Sedation Interruption. Does this term mean break in giving the sedation drugs? How can this help in reducing the ...
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1 vote
1 answer
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Fluid balance range for human

I am working on clinical data analysis with patients from icu who are mechanically ventilated and in ICU for 4 or more days. Currently I tried to calculate their fluid balance based on the input and ...
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1 vote
1 answer
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Are there drugs that help to digest wheat?

It understand that there are some sugars in wheat that some people cannot digest and that would risk them in IBS but I don't ask about drugs that fight IBS, which make intestines move slower and stuff ...
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2 votes
1 answer
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Are dosages of Saccharin Sodium in food are non-carcinogenic?

There is such sweetener as Saccharin Sodium that being added sometimes in drinks and just sold as sweetener on it's own. I didn't found information about dosages, but but on nih.gov I see this: ...
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3 votes
1 answer
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Can a person survive off of a diet alternating daily between mayonnaise, honey, beer, and wine? [closed]

Suppose an individual has a device which can produce one of a number of liquids, each day in particular quantities: Given these specific foods, drinks, and quantities could 4-5 people survive for ...
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2 votes
1 answer
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Can iron-rich food cause an overdose?

Daily Value (DV) for iron for adults and children age 4 and older is 18 mg (Office of Dietary Supplements, NIH.gov). Can iron-rich foods cause an overdose of iron, if 150 % daily value (27 mg) is ...
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