Frozen/Thawed/Refrozen Meat: How Much Is Safety, And How Much Is Taste?
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What You Can (And Can’t) Safely Do With Frozen Meat
Yesterday, we asked you:
❝You have meat in the freezer. How long is it really safe to keep it?❞
…and got a range of answers, mostly indicating to a) follow the instructions (a very safe general policy) and b) do not refreeze if thawed because that would be unsafe. Fewer respondents indicated that meat could be kept for much longer than guidelines say, or conversely, that it should only be kept for weeks or less.
So, what does the science say?
Meat can be kept indefinitely (for all intents and purposes) in a freezer; it just might get tougher: True or False?
False, assuming we are talking about a normal household electrical freezer that bottoms out at about -18℃ / 0℉.
Fun fact: cryobiologists cryopreserve tissue samples (so basically, meat) at -196℃ / -320℉, and down at those temperatures, the tissues will last a lot longer than you will (and, for all practical purposes: indefinitely). There are other complications with doing so (such as getting the sample through the glass transition point without cracking it during the vitrification process) but those are beyond the scope of this article.
If you remember back to your physics or perhaps chemistry classes at school, you’ll know that molecules move more quickly at higher temperatures, and more slowly at lower ones, only approaching true stillness as they near absolute zero (-273℃ / -459℉ / 0K ← we’re not saying it’s ok, although it is; rather, that is zero kelvin; no degree sign is used with kelvins)
That means that when food is frozen, the internal processes aren’t truly paused; it’s just slowed to a point of near imperceptibility.
So, all the way up at the relatively warm temperatures of a household freezer, a lot of processes are still going on.
What this means in practical terms: those guidelines saying “keep in the freezer for up to 4 months”, “keep in the freezer for up to 9 months”, “keep in the freezer for up to 12 months” etc are being honest with you.
More or less, anyway! They’ll usually underestimate a little to be on the safe side—but so should you.
Bad things start happening within weeks at most: True or False?
False, for all practical purposes. Again, assuming a normal and properly-working household freezer as described above.
(True, technically but misleadingly: the bad things never stopped; they just slowed down to a near imperceptible pace—again, as described above)
By “bad” here we should clarify we mean “dangerous”. One subscriber wrote:
❝Meat starts losing color and flavor after being in the freezer for too long. I keep meat in the freezer for about 2 months at the most❞
…and as a matter of taste, that’s fair enough!
It is unsafe to refreeze meat that has been thawed: True or False?
False! Assuming it has otherwise been kept chilled, just the same as for fresh meat.
Food poisoning comes from bacteria, and there is nothing about the meat previously having been frozen that will make it now have more bacteria.
That means, for example…
- if it was thawed (but chilled) for a period of time, treat it like you would any other meat that has been chilled for that period of time (so probably: use it or freeze it, unless it’s been more than a few days)
- if it was thawed (and at room temperature) for a period of time, treat it like you would any other meat that has been at room temperature for that period of time (so probably: throw it out, unless the period of time is very small indeed)
The USDA gives for 2 hours max at room temperature before considering it unsalvageable, by the way.
However! Whenever you freeze meat (or almost anything with cells, really), ice crystals will form in and between cells. How much ice crystallization occurs depends on several variables, with how much water there is present in the food is usually the biggest factor (remember that animal cells are—just like us—mostly water).
Those ice crystals will damage the cell walls, causing the food to lose structural integrity. When you thaw it out, the ice crystals will disappear but the damage will be left behind (this is what “freezer burn” is).
So if your food seems a little “squishy” after having been frozen and thawed, that’s why. It’s not rotten; it’s just been stabbed countless times on a microscopic level.
The more times you freeze and thaw and refreeze food, the more this will happen. Your food will degrade in structural integrity each time, but the safety of it won’t have changed meaningfully.
Want to know more?
Further reading:
You can thaw and refreeze meat: five food safety myths busted
Take care!
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The Breathing Cure – by Patrick McKeown
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We’ve previously reviewed this author’s “The Oxygen Advantage”, which as you might guess from the title, was also about breathing. So, what’s different here?
While The Oxygen Advantage was mostly about improving good health with optimized breathing, and with an emphasis on sports too, The Breathing Cure is more about the two-way relationship between ill health and disordered breathing (and how to fix it).
Many kinds of illnesses can affect our breathing, and our breathing can affect many types of illness; McKeown covers a lot of these, including the obvious things like respiratory diseases (including COVID and Long COVID, as well as non-infectious respiratory conditions like asthma), but also things like diabetes and heart disease, as well as peri-disease things like chronic pain, and demi-disease things like periods and menopause.
In each case (and more), he examines what things make matters better or worse, and how to improve them.
While the style itself is just as pop-science as The Oxygen Advantage, this time it relies less on anecdote (though there are plenty of anecdotes too), and leans more heavily on a generous chapter-by-chapter scientific bibliography, with plenty of citations to back up claims.
Bottom line: if you’d like to breathe better, this book can help in very many ways.
Click here to check out The Breathing Cure, and breathe easy!
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Total Fitness After 40 – by Nick Swettenham
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Time may march relentlessly on, but can we retain our youthful good health?
The answer is that we can… to a degree. And where we can’t, we can and should adapt what we do as we age.
The key, as Swettenham illustrates, is that there are lifestyle factors that will help us to age more slowly, thus retaining our youthful good health for longer. At the same time, there are factors of which we must simply be mindful, and take care of ourselves a little differently now than perhaps we did when we were younger. Here, Swettenham acts guide and instructor.
A limitation of the book is that it was written with the assumption that the reader is a man. This does mean that anything relating to hormones is assuming that we have less testosterone as we’re getting older and would like to have more, which is obviously not the case for everyone. However, happily, the actual advice remains applicable regardless.
Swettenham covers the full spread of what he believes everyone should take into account as we age:
- Mindset changes (accepting that physical changes are happening, without throwing our hands in the air and giving up)
- Focus on important aspects such as:
- strength
- flexibility
- mobility
- agility
- endurance
- Some attention is also given to diet—nothing you won’t have read elsewhere, but it’s a worthy mention.
All in all, this is a fine book if you’re thinking of taking up or maintaining an exercise routine that doesn’t stick its head in the sand about your aging body, but doesn’t just roll over and give up either. A worthy addition to anyone’s bookshelf!
Check Out Fitness After 40 On Amazon Today!
Looking for a more women-centric equivalent book? Vonda Wright M.D. has you covered (and her bio is very impressive)!
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How Not to Die – by Dr. Michael Greger
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Dr. Greger (of “Dr. Greger’s Daily Dozen” fame) outlines for us in cold hard facts and stats what’s most likely to be our cause of death. While this is not a cheery premise for a book, he then sets out to work back from there—what could have prevented those specific things?
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If you’re a more cynical sort, you might note that since the book doesn’t confer immortality, but does help us avoid statistically likely causes of death, logically it significantly increases our chances of dying in a statistically unlikely way. (Ha! Your mental exercise for today will be decoding that sentence )
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Comfortable with Uncertainty – by Pema Chödrön
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This book is exactly what the subtitle claims it to be: 108 teachings on cultivating fearlessness and compassion. They are short extracts, entire of themselves, taken from Chödrön’s wider work and arranged to offer her insights and advices on this one topic, in one place.
It is worth noting, by the way, that the author is a Buddhist nun, and as such, the principles and practices are Buddhist in origin. If that’s a problem for you, then this book will not be for you. It does not, however, require that the reader be Buddhist to benefit, simply that one has a will to be calm in the face of chaos, and yet not indifferent—rather, to take on the challenges of life with a whole heart.
And about that compassion? This is about alleviating suffering; your own, and the suffering in the world as a whole, increasingly uncertain as this world is. And being brave enough to do that, in a world that is not always gentle.
The style is idiosyncratic, and you will likely love it or hate it. If you love it, then you will find this book at once both soothing and empowering; if not, you will put the book down and pick up a book on CBT or something instead.
Bottom line: this book absolutely does deliver on its title/subtitle promises—provided you, dear reader, internalize it and practise it.
Click here to check out Comfortable with Uncertainty, and get comfortable with uncertainty!
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Unleashing My Superpowers – by Dr. Patience Mpofu
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
Dr. Patience Mpofu is on a mission to provide women and girls with the inside-information, knowledge, resources, and strategies to break through the glass ceiling. She writes from her experience in STEM, but her lessons are applicable in any field.
Her advices range from the internal (how to deal with imposter syndrome) to the external (how to overcome cultural biases); she also explains and illustrates the importance of both role models and mentors.
While a lot of the book is half instruction manual, half memoir of her incredible life and career (to illustrate her points), and is well-worth reading—and/or perhaps worth gifting to a girl you know with ambitions in STEM?
Don’t Forget…
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14 Powerful Strategies To Prevent Dementia
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
Dementia risk starts climbing very steeply after the age of 65, but it’s not entirely predetermined. Dr. Brad Stanfield, a primary care physician, has insights:
The strategies
We’ll not keep them a mystery; they are:
- Cognitive stimulation: which means genuinely challenging mental activities using a variety of mental faculties. This will usually mean that anything that is just “same old, same old” all the time will stop giving benefits after a short while once it becomes rote, and you’ll need something harder and/or different.
- Hearing health: being unable to participate in conversations increases dementia risk; hearing aids can help.
- Eyesight health: similar to the above; regular eye tests are good, and the use of glasses where appropriate.
- Depression management: midlife depression is linked to later life dementia, likely in large part due to social isolation and a lack of stimulation, but either way, treating depression earlier reduces later dementia risk.
- Exercising regularly: what’s good for the heart is good for the brain; the brain is a hungry organ and the blood is what feeds it (and removes things that shouldn’t be there)
- Head injury avoidance: even mild head injuries can cause problems down the road. Protecting one’s head in sports, and even while casually cycling, is important.
- Smoking cessation: just don’t smoke; if you smoke, make it a top priority to quit unless you are given direct strong medical advice to the contrary (there are cases, few and far between, whereby quitting smoking genuinely needs to be deferred until after something else is dealt with first, but they are a lot rarer than a lot of people who are simply afraid of quitting would like to believe)
- Cholesterol management: again, healthy blood means a healthy brain, and that goes for triglycerides too.
- Weight management: obesity, especially waist to hip ratio (indicating visceral abdominal fat specifically) is associated with many woes, including dementia.
- Diabetes management: once again, healthy blood means a healthy brain, and that goes for blood sugar management too.
- Blood pressure management: guess what, healthy blood still means a healthy brain, and that goes for blood pressure too.
- Alcohol reduction/cessation: alcohol is bad for pretty much everything, and for most people who drink, quitting is probably the top thing to do after quitting smoking.
- Social engagement: while we all may have our different preferences on a scale of introversion to extroversion, we are fundamentally a social species and thrive best with social contact, even if it’s just a few people.
- Air pollution reduction: avoiding pollutants, and filtering the air we breathe where pollutants are otherwise unavoidable, makes a measurable difference to brain health outcomes.
For more information on all of these (except the last two, which really he only mentions in passing), enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
How To Reduce Your Alzheimer’s Risk ← our own main feature on the topic
Take care!
Don’t Forget…
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