Skeptics Stack Exchange
Skeptics Stack Exchange

Questions tagged [nutrition]

Use this tag for claims regarding the way we eat, and the effects eating has on our bodies.

Nutrition is the provision, to cells and organisms, of the materials necessary (in the form of food) to support life. Many common health problems can be prevented or alleviated with a healthful diet.

683 questions
18
votes
4 answers

Is eating cloven-hoofed animals, bottom-feeders or ruminants bad for you?

The Torah and Talmud claim (and I have Christian friends that also claim) that eating animals that are bottom-feeders or ruminants—That is, eat the crud off the sea-floor, like shrimp, or digest their own waste like rabbits, pigs etc.)—OR have a…
MSpeed
  • 4,818
  • 3
  • 29
  • 38
18
votes
2 answers

Do omega-3 fatty acids and fish oil improve concentration and cognitive ability?

In the UK, omega-3 has been a big fad, it seems. You can't seem to get away from products without it. I Although recently it has died down, it mainly stems back to a flawed study on schoolchildren. Is there any peer reviewed and well researched…
Thomas O
  • 11,908
  • 7
  • 53
  • 72
18
votes
1 answer

Is cooked protein less digestible than raw protein?

I saw the following claim in several places: At Raw Glow Cooking meat changes the molecular structure of some of its proteins, rendering them unusable by the body and making cellular healing, reproduction and regeneration difficult. The protein…
Mad Scientist
  • 43,643
  • 20
  • 173
  • 192
18
votes
2 answers

Does bread contain traces of alcohol?

Many times when the religious permisibility of alcohol is debated (especially in substances with small amounts of alcohol in it) people will claim that even bread has traces of alcohol. How valid is that claim? Is there a published survey of the…
System Down
  • 945
  • 7
  • 18
17
votes
1 answer

Does drinking while eating impair digestion?

I have read many blogs and forums that either say eating and drinking at the same time is safe, good for you or bad for you. No sources are ever cited on any of the sites. Does research exist to support either side? Here are a couple of sites I have…
Whitecat
  • 343
  • 2
  • 10
17
votes
1 answer

Does the average human eat their own body weight in food every month?

I read this comic: xkcd: The Race (Part 3), and felt the urge to shout "Cite your references!". Is it true? Does the average human consume their body weight in food in just over a month?
Stu Pegg
  • 273
  • 1
  • 2
  • 6
17
votes
1 answer

Is it unhealthy to reuse cooking oil?

I've heard that reusing cooking oil can be unhealthy. For example: Never re-use cooking oil once it has been exposed to heat. It is a recipe for trans fats and cancer-causing carcinogens. -Source Is this true?
Opt
  • 273
  • 2
  • 5
17
votes
4 answers

Does celery help you lose weight?

I have often heard people say that celery will help weight loss because digesting it consumes more calories than is contained in celery itself. Is this true and, if so, is the weight loss significant? E.g. if someone ate 1kg of celery, would it…
Reinstate Monica - Goodbye SE
  • 800
  • 7
  • 17
17
votes
1 answer

Is eating fish and drinking milk at the same time linked with skin disease?

I heard from several people that drinking milk or dairy products while eating fish can lead towards a special skin pigmentation disorders such as different skin color or bright spots on skin. I asked a dermatologist about it and she said it is…
Imran Qureshi
  • 179
  • 1
  • 1
  • 5
17
votes
1 answer

Is 80% of a human's sense of taste in their nose?

According to this article on wine tasting: Did you know that 80% of our sense of taste is actually in our nose? It doesn't seem to cite any source, although I've heard similar claims before. I've also experienced first-hand anecdotal evidence…
Flimzy
  • 15,520
  • 14
  • 63
  • 132
17
votes
1 answer

Is a Full English Breakfast good for you?

I've generally read that a fry-up, AKA the Full English breakfast, comprised of bacon, sausages and fried bread, is full of trans-fats, and hence is bad for you. Some links: Why the great British breakfast is a killer Why I'll never eat a fry-up…
JoseK
  • 4,030
  • 2
  • 28
  • 34
17
votes
3 answers

Does exercise and eating healthy make you live longer?

I'm not talking about someone who sits in a chair all day and never moves. I mean the difference between the people who go jogging then go to the gym for an hour or two compared to the people who just take casual strolls once in awhile. The reason…
Oscar Godson
  • 429
  • 3
  • 8
17
votes
1 answer

Was a misplaced decimal point responsible for the popular belief that spinach has a lot of iron?

Daniel Engber writes in Who Will Debunk The Debunkers?: Popeye loved his leafy greens and used them to obtain his super strength, Arbesman’s book explained, because the cartoon’s creators knew that spinach has a lot of iron. Indeed, the character…
Christian
  • 33,271
  • 15
  • 112
  • 266
17
votes
2 answers

Is poisoning possible from preservative on orange zest?

I've heard that you can get poisoning from cakes that contain orange zest from the preservative sprayed on the outer surface of oranges before transportation from tropical countries to our shops. Is this true? Can you wash these preservatives off…
GaBorgulya
  • 231
  • 2
  • 6
17
votes
1 answer

What is the largest amount of protein the body can absorb in a single meal?

There is a popular belief that the human body can't absorb more than 30 grams of protein per meal. Some also believe that the limit is 25 or less. For example, This article states that "According to Dr. Helen Kollias, Ph.D. of Johns Hopkins…
user14892
  • 171
  • 1
  • 3
1 2 3
…
45 46