Canned foods are often thought to be less nutritious than fresh or frozen foods.
Some people claim they contain harmful ingredients and should be avoided.
Others say canned foods can be a part of a healthy diet.
This article explains everything you need to know about canned foods.
What Is Canned Food?
Canning is a method used to preserve foods for long periods of time by packing them in airtight containers.
Canning was first developed in the late 18th century as a way to provide a stable food source for soldiers and sailors at war.
The canning process can vary slightly from one product to another, but there are three main steps. These include:
- Processing: Food is peeled, sliced, chopped, pitted, boned, shelled or cooked.
- Sealing: The processed food is sealed in cans.
- Heating: Cans are heated to kill harmful bacteria and prevent spoiling.
This allows food to be shelf-stable and safe to eat for 1 to 5 years or longer.
Bottom Line: Canning is a method used to preserve foods for long periods of time. There are three main steps: processing, sealing and heating.
How Does Canning Affect Nutrient Levels?
Canned foods are often thought to be less nutritious than fresh or frozen foods, but research shows that this is not always true.
In fact, canning preserves most of a food’s nutrients.
These vitamins are sensitive to heat and air in general, so they can also be lost during normal processing, cooking and storage methods used at home.
However, while the canning process may damage certain vitamins, amounts of other healthy compounds increase (6).
Changes in individual nutrient levels aside, canned foods are good sources of important vitamins and minerals.
In one study, people who ate 6 or more canned items per week had higher intakes of 17 essential nutrients than those who ate 2 or fewer canned items per week (9).
Bottom Line: Some nutrient levels may decrease as a result of the canning process, while others can increase. Overall, canned foods can provide comparable nutrients to their fresh or frozen counterparts.
Canned Foods Are Affordable, Convenient and Don’t Spoil Easily
Canned foods are a convenient and practical way to add more nutrient-dense foods to your diet.
The availability of safe, quality foods is lacking in many parts of the world. Canning helps ensure people have access to a wide variety of foods year-round.
In fact, virtually any food can be found in a can today.
Also, since canned foods can be stored safely for several years and often involve minimal prep time, they’re incredibly convenient.
Additionally, they tend to cost less than fresh products.
Bottom Line: Canned foods are a convenient and affordable source of essential nutrients.
They May Contain Trace Amounts of BPA
BPA (Bisphenol-A) is a chemical that is often used in food packaging, including cans.
Studies show that the BPA in canned food can migrate from the can’s lining into the food you eat.
In one study, participants who consumed 1 serving of canned soup daily for 5 days experienced more than a 1,000% increase of BPA in their urine (12).
If you’re trying to minimize your exposure to BPA, then eating a lot of canned food is not the best idea.
Bottom Line: Canned foods may contain BPA, a chemical that has been associated with health problems like heart disease and type 2 diabetes.
They May Contain Deadly Bacteria
While it’s extremely rare, canned foods that weren’t processed properly may contain dangerous bacteria known as Clostridium botulinum.
Consuming contaminated food can cause botulism, a serious illness that can lead to paralysis and death if left untreated.
Most cases of botulism come from foods that have not been canned properly at home. Botulism from commercially canned food is rare.
It’s important to never eat from cans that are bulging, dented, cracked or leaking.
Bottom Line: Canned foods that weren’t processed properly may contain deadly bacteria, but the risk of contamination is very low.
Some Have Added Salt, Sugar or Preservatives
Salt, sugar and preservatives are sometimes added during the canning process.
Some canned foods can be high in salt. While this does not pose a health risk for most people, it may be problematic for some, such as those with high blood pressure.
They may also contain added sugar, which can have harmful effects.
A variety of other natural or chemical preservatives may be added as well.
Bottom Line: Salt, sugar or preservatives are sometimes added to canned foods in order to improve their flavor, texture and appearance.
How to Make the Right Choices
As with all foods, it’s important to read the label and ingredient list.
If salt intake is a concern for you, choose the “low sodium” or “no salt added” option.
To avoid extra sugar, choose fruits canned in water or juice instead of syrup.
Draining and rinsing foods can also lower their salt and sugar contents.
Many canned foods do not contain any added ingredients at all, but the only way to know for sure is to read the ingredient list.
Bottom Line: Not all canned foods are created equal. It is important to read the label and ingredient list.
Should You Eat Canned Foods?
Canned foods can be a nutritious option when fresh foods aren’t available.
They provide essential nutrients and are incredibly convenient.
That being said, canned foods are also a significant source of BPA, which may cause health problems down the line.
Canned foods can be a part of a healthy diet, but it’s important to read labels and choose accordingly.
A quick note from our founder-
20 Million Americans Have A Thyroid Condition
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To begin, I apologize for the dark nature of today's email.
However I promise what you'll discover today will be completely worth it.
Imagine a rotting corpse draped over your body from head to toe...
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64% of women and 74% of men carry too much body fat according to the National Institutes of Health.
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Is Bread Really the Staff of Life… or the Stuff of Disease?
For most us, there are few foods more comforting than bread.
Fluffy biscuits, crusty baguettes, flaky croissants… even a simple slice of toast topped with melted butter can taste like heaven.
And that smell… few scents are quite as pleasant as fresh bread baking in the oven.
But there is a lot of confusion as to where bread fits into a healthy diet.
The Bible practically commands followers to eat it: “Give us this day our daily bread…” The government put it at the base of the food pyramid. And for centuries, it has been called “the staff of life.”
Of course, there are some who disagree…
Well-known cardiologist, Dr. William Davis, calls wheat “the perfect chronic poison.”
And for a poison, we sure eat lots of it…
The average American consumes 55 pounds of wheat flour every year, making refined flour the #1 source of calories in the American Diet – a situation that nutrition expert Chris Kresser describes as, “a public health catastrophe.”
So, what is the truth about bread and wheat?
- Is it the perfect poison… or an essential daily food?
- Is “gluten-free” bread better for you than regular bread?
- And can you still eat bread… while maintaining a lean body and optimal health?
The answers to these questions may surprise you!
Be sure to read #5 – the biggest surprise of all!
Recently, Doctor of Naturopathy, weight-loss expert and best-selling Amazon author Liz Swann Miller, creator of the Red Smoothie Detox Factor, revealed 2 of the secrets to easy, steady weight loss. Secrets the big food corporations do their best to hide from us.
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You probably know most of us eat too much processed food. What you may not know is that it’s full of toxic chemicals and substandard, dirt-cheap ingredients designed to make you eat more…and force you to gain weight.
Here’s how it works.
“That stuff is just a lot of calories your body can’t use,” Liz told me, “Some are poison. And all these foods are stripped of the anti-oxidants and anti-inflammatories that help your body detox. The result? Your body expends huge amounts of calories to eliminate some toxins—the rest, it stores in your fat to protect you. This is why most people are hungry all the time. They’re not getting energy they need.”
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- Which calories help you lose weight…and which ones help you gain it…
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Sponsored Health Resources
In the years that I've been working on this website project I've come across some amazing resources by some very special people. I'd like to share them with you here.
NOTE: I update these links often so please check back to see what's new!
1) Everyone knows green smoothies are healthy right? Have you heard of a “red” smoothie? If not, check out this story…
2) Forget what you've read about 10-day lemonade cleanses, 7-day detoxes with green juices and Gwyneth's gruel. All you need to do, and this is perfect for Saturday or or anytime really, is a simple 1-day cleanse.
3) This “hidden survival muscle” in your body will boost your energy levels, immune system, sexual function, strength and athletic performance when unlocked.
4) I thought it was virtually impossible for a website to be able to tell me anything even a little bit insightful after only submitting my name and date of birth... I was wrong!
5) Turmeric is amazing. The problem is - It's hard to absorb!
6) Wonder why your stomach still sticks out even though you're hammering the core exercises every day? It's a common myth that bulging belly is due to weak abdominal muscles.
7) Even if you're the most active of athletes, you may still suffer from tight hip flexors due to the amount of time you spend each day planted to a chair.
Enjoy! Let me know how these work out for you. And if you run across anything I've missed please let me know.