Questions tagged [nutrition]

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

Filter by
Sorted by
Tagged with
17
votes
2answers
14k views

Does cows' milk contain blood?

Someone in my Twitter feed said today: TIL starbucks put ground up insects in stuff, and milk has blood in it. The ground up insects part is true for now, but I'm not sure about the blood-in-...
17
votes
2answers
22k views

Do onions become toxic or otherwise dangerous within a day of a being cut open?

I saw a new "health advice" meme on Facebook today: Please remember it is dangerous to cut an onion and try to use it to cook the next day, it becomes highly poisonous for even a single night and ...
17
votes
1answer
5k views

Do firefighters avoid eating pork?

In God is not Great Christopher Hitchens makes a claim that firefighters do not like eating pork because human flesh smells/tastes like pork. Seeing as this has the look and feel of an urban legend (...
17
votes
3answers
11k views

Does washing vegetables remove nutrients?

There are many people who cook vegetables without washing them (before cutting) because they think it removes important nutrients. This claim is predominant in some Asian countries. Is that true?
17
votes
2answers
40k views

Are there male and female watermelon fruits?

This article, as well as folk wisdom, suggests buying "female" watermelons since they are sweeter and have less seeds. "Female" species are said to have a larger black spot on the side opposite to ...
17
votes
1answer
1k views

Does briefly searing a steak on one side before flipping it over once “seal in the juices”?

As long as I can remember when people have fried steak, they have flipped it after the first say 20 seconds to sear it and "seal in the juices", then cooked the other side, then flipped it back to the ...
17
votes
1answer
17k views

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?
17
votes
1answer
9k views

Does spicy food have antibacterial traits?

In my area, it is widely believed that the popularity of spicy cuisine in Southern countries like Mexico can be attributed to its antibacterial traits; i.e. because it is otherwise difficult to ...
17
votes
1answer
3k views

Is storing food in opened tin cans dangerous?

The UK National Health Service advises: never put open cans in the fridge, as the metal may transfer to the can's contents – place the contents in a storage container or covered bowl instead. ...
17
votes
1answer
925 views

Do things taste better if they contain nutrients that the body needs?

Is there any evidence for the theory that things taste better if they contain nutrients that the body needs? I had a banana this morning and it tasted great. Is that why?
17
votes
3answers
5k views

Will eating a lot of junk food shorten your life expectancy?

I just ate an entire medium pepperoni pizza for dinner and my roommate started lecturing me on how I'm gonna die in my 30s. Does eating fatty and sugary foods make your life any shorter?
17
votes
1answer
4k views

Does drinking warm milk help people fall asleep and if so what is it about it that does?

I always thought drinking warm milk before going to bed helps one fall asleep. According to Dr.Oz's friend, it does Dr. Oz talked with a sleep expert who said warm milk will help you fall ...
17
votes
1answer
1k views

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 ...
17
votes
0answers
1k views

Are vegetarians more intelligent?

In a post titled Why Vegetarians Are More Intelligent than Meat Eaters, evolutionary psychologist Satoshi Kanazawa claims: Among the British respondents in the National Child Development Study, ...
17
votes
0answers
9k views

Is fish-flavored cat food bad/dangerous to a cat's health?

Our (two male) cats normally eat turkey and chicken flavoured canned wet cat food from our favorite cat food brand. However, we don't feed the cat's any other flavours which all contain fish, such as ...
16
votes
1answer
2k views

Are most adults lactose intolerant?

Lactose intolerance varies with race and region, but, comparing the percentage levels of intolerance vs. non-intolerance, it could be inferred that it's more normal for most adults to be lactose ...
16
votes
1answer
18k views

Who invented the chicken sandwich?

There's a US restaurant chain called Chick-Fil-A and their motto is "We didn't invent the chicken, just the chicken sandwich" If you dig deeper you find that they claim that what they really mean is ...
16
votes
1answer
16k views

Does boiling the same water twice make it dangerous to one's health?

I first overheard this claim in a Russian health show on national TV. It was claimed that every time the same water is boiled, the concentration of dioxins goes up, enough so to be a health concern, ...
16
votes
3answers
6k views

Is there any reason to use cold water over hot water for boiling?

I was always told that boiling cold water in a pot is better for you then boiling warm or hot water (from the sink). Is there any truth to this statement?
16
votes
1answer
2k views

Does it take 200L of water to make a latte?

I just saw this Youtube clip that claims it takes 200L of water to make a latte. Is that true?
16
votes
1answer
22k views

Can egg shells be digested?

I tried Googling but got no significant trustworthy result in the top few searches. The only reference I found is here: where the answered has guaranteed it without any reference! Yes Egg shell is ...
16
votes
1answer
973 views

Does it take time for the brain to realize that you have eaten too much?

A doctor told me to eat my meal only until I feel 3/4th full. The logic being that the stomach takes time to absorb the food and the brain takes time to register that fact and the signal that I have ...
16
votes
2answers
3k views

Does 32 g of Gatorade powder contain 33 g of carbohydrates?

A screenshot of the nutrition facts of a can of Gatorade powder was posted on my Facebook feed: The label reads "Per 32 g (about 3 tbsp)", but if you read through the ingredients, the amount of ...
16
votes
1answer
36k views

Does the number of lobes on a green pepper indicate any specific culinary traits about the individual pepper?

I've seen claimed that whether a pepper has 3 lobes or bumps at the bottom or 4 can indicate whether that bell pepper is "sweeter, and better for eating, or firmer, and better for cooking". I've seen ...
16
votes
1answer
1k views

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 ...
16
votes
1answer
797 views

Can an extra internal refrigerator light increase the vitamin C content of fruit?

My wife yesterday bought a new refrigerator for our house. She choose a refrigerator which within the sales blurb has the following claim. 光波增鲜 生成5种仿自然光波,让采摘后的果蔬继续光合作用,叶绿素、VC含量比存放普通冰箱高30%以上。 ...
16
votes
0answers
1k views

Does Milk in Black tea “completely abolish” all positive effects of the tea?

A few weeks ago my wife told me to drink only black tea with no milk, because she saw somewhere that milk cancels out the benefits of the tea. I did some googling and found this: "Black tea ...
15
votes
2answers
2k views

Does the body require essential fatty acids for good health?

The term essential implies that a nutrient is required for the body to work properly and that the consequences of deficiency are serious. Examples are the 13 essential vitamins and the essential amino ...
15
votes
4answers
2k views

Does FDA not test anything in order to approve it?

I watched something a bit back and was thinking about one of the claims this morning as I listened to SGU on the way to work. I unfortunately can't recall the source anymore, but am fairly confident ...
15
votes
1answer
2k views

Has a meat substitute from human feces been developed in Japan?

A video and some news are spreading like wildfire on the internet about some artificial meat made from human feces. The summary from slashdot, for example, says Hold on to your hamburgers — ...
15
votes
1answer
1k views

Does one SUV tank of ethanol “take as much grain as could feed a person for a whole year?”

From The Great Transition, (c)2014, by Lester R. Brown (preface, page xiii): [F]illing the tank of a large SUV one time with ethanol takes as much grain as could feed a person for a whole year. ...
15
votes
1answer
6k views

Is Diet Coke 99% water?

I've come across the claim a few times that Diet Coke is 99% water. Examples: RealAge - 8 Diet Coke Claims You'll Want to Know About Freakonomics - Diet Coke is 99% Water (And That Is Now a Good ...
15
votes
3answers
9k views

Is tequila a probiotic?

This viral video on Facebook, with 31 million views, claims that tequila is a probiotic, enhances insulin production, and helps potentiate certain medications. Is there any truth to this?
15
votes
2answers
3k views

Are there any toxic or dangerous food pairings?

Are there any foods that are harmless when eaten alone yet are dangerous or toxic when eaten together with another otherwise innocuous food? There can obviously be problems if you combine acidic ...
15
votes
2answers
1k views

Does eating white rice regularly increase the risk of diabetes?

I've heard it mentioned regularly that India and China are going through diabetes epidemics. The reason I am given is because of the raised standard of living means people are now eating large ...
15
votes
3answers
917 views

Do antioxidants have health benefits?

I recently read an article on Yahoo (but have seen them other places) that claim antioxidants are very important and have health benefits. One article even talked about antioxidants ability to ...
15
votes
1answer
900 views

Is there a nutritional difference between Grain-Fed and Grass-Fed beef?

There are many sources that discuss the difference between grain-fed and grass-fed beef. Many claim there is a difference in the nutritional characteristics of the beef. Does the diet of a cow have ...
15
votes
2answers
3k views

Are most humans infected with parasites that water fasting can eliminate?

So this is a new one for me... I came across a jaw dropping niche of health-woo today. Apparently tens of thousands of people (if not more) believe that almost all humans are infected with parasites ...
15
votes
1answer
1k views

Do sandwiches taste better when someone else makes them?

I'm a bit skeptical about the claim in this poster: Click for a larger version. Studies show that sandwiches actually taste better when other people make them for you. When we make food, we get ...
15
votes
1answer
734 views

Does drinking milk increase risk of death?

A Facebook friend linked to a claim that I find rather dubious. On the website of the Physicians Committee for Responsible Medicine, they talk about health concerns about dairy products and have an ...
15
votes
1answer
12k views

Do alcoholic “digestives” help digestion?

Do alcoholic digestives (e.g. grappa, limoncello, sambuca) really help digestion after a heavy meal?
15
votes
2answers
6k views

Was the practice of eating fish during Lent started by the church to spur the economy of Italy?

At lunch today I heard the claim again that the practice of eating fish on Fridays during Lent was started by the church to help save a floundering Italian economy at a time when fishing was its ...
15
votes
1answer
995 views

What health impacts, if any, does consuming a large number of eggs each day have?

A couple months ago, I consumed around 8 eggs a day for several months. This was largely based on research from the Paleo Diet arguing that saturated fats and cholesterol wasn't nearly as bad for you ...
15
votes
1answer
49k views

Is eating oranges at night bad for you?

I've always been told that eating oranges at night is bad for you. In fact there is a saying that suggests that you might die if you eat them at night: "Oranges in the morning are gold, afternoon ...
15
votes
1answer
5k views

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 ...
15
votes
2answers
15k views

Does gliadin in wheat stimulate appetite to the point of obesity?

Dr William Davis claims that the protein gliadin in wheat (at least, strains grown since the '60s or so) stimulates appetite, leading to obesity. He has released a book on the topic, called Wheat ...
14
votes
4answers
13k views

Is casein from cow's milk harmful to humans over one year of age?

In the book Can We Live 150 Years?, author Mikhail Tombak, Ph.D. makes the following claim: Casein is a protein needed by the calf for building its hoofs and horns. ... Human beings do not have ...
14
votes
1answer
2k views

Does human flesh tastes like pork?

Does human flesh tastes like pork? I have heard from TV shows that it may taste like pork or chicken.
14
votes
2answers
9k views

Is it dangerous to eat the contents of a damaged can?

I have been told that eating food from a can that has been damaged (e.g. from falling) is dangerous, even if the damage is just a dent. Nobody is able to explain me why though so I am not convinced. ...
14
votes
2answers
1k views

Is cancer linked to having an acidic body?

There a lot of differing views reports on pH levels and cancer. Some say that cancer only grows in acidic bodies. Some say that an alkaline body can prevent or cure cancer. Many others disagree ...