Microplastics in food: what is known and what is not
Microplastics are discussed in two ways: 'we eat a credit card a week' and 'there is no evidence of harm.
How to tell the tested from the sold, and what «studies show» is actually worth.
Microplastics are discussed in two ways: 'we eat a credit card a week' and 'there is no evidence of harm.
In October 2015, processed meat was placed in the same classification group as tobacco, and the headlines wrote themselves.
For the past couple of years, sunflower, rapeseed, and soybean oils have been labeled as sources of inflammation and the primary cause of everything.
Nitrates are always present in vegetables: they are a form of nitrogen from which the plant builds protein.
PP is a Russian abbreviation for "proper nutrition" (clean eating).
The calorie content of nuts in reference books is calculated, not measured, and for nuts, the calculation is systematically overstated.
Lists of "foods to avoid with gout" are usually based on purine content tables.
Energy density is calories per gram, and it is already printed on every package: that very line "per 100 g" that people usually overlook while searching for the per-serving figure.
We took an open dataset from Open Food Facts—four and a half million products—and calculated how much sugar is in what is sold in Russia.
Counting calories is a tool, not a requirement.
In a week, the scale will almost certainly show a lower number—and almost certainly not because of fat.
Weight loss and weight maintenance are two different tasks, and the latter is more difficult.
No one actually measured the number on the package: it was calculated by multiplying proteins, fats, and carbohydrates by factors over a century old.
Headlines claiming that "scientists have proven product X reduces the risk of Y" almost always describe a study that does not support such a conclusion.
Multivitamins have been tested in randomized trials involving tens of thousands of people—a rare case in nutrition where we have experiments with placebos rather than just observations.
Creatine is the most studied supplement on the shelf, but trials involving women make up a smaller portion of this research.
A pre-workout supplement is a blend of five to fifteen substances, only one of which is reliably effective.
Fruit is the only food that is simultaneously called a source of sugar and recommended for daily consumption.
Debates about diet for type 2 diabetes often focus on choosing the right diet.
Two calculators using the same height, weight, age, and gender can provide numbers that differ by two or three hundred kilocalories.
A calorie counter does not measure calories.
The sauna often appears in biohacking not because there are robust trials on it, but because it has a compelling curve from Finnish cohorts: the more often people visited the sauna, the lower their cardiovascular mortality.
The term "breathing practices" usually refers to four different things: slow rhythm, equal phases of inhalation and exhalation, conscious hyperventilation, and the Wim Hof protocol, where breathing is combined with cold exposure and meditation.
The logic of "measure first, intervene later" seems flawless and is therefore rarely questioned.
Mitochondria are organelles where oxygen and nutrients are converted into ATP.
Autophagy is a mechanism by which a cell breaks down its own damaged parts and recycles the material.
Photobiomodulation is the application of red and near-infrared light.
A "biological age" test returns a number that can be compared to your chronological age.
HRV is the variation in the time intervals between heartbeats.
Zone 2 is an intensity at which you can speak in full sentences and blood lactate levels barely rise.
VO2max is the maximum volume of oxygen the body can consume per minute during maximal exertion.
The word "nootropic" unites things that have nothing in common except a promise: prescription drugs, plant extracts, amino acids, and B vitamins.
The list of “sleep hygiene rules” travels from article to article almost unchanged: a dark room, coolness, no coffee after lunch, phone an hour before bed.
Trying something on yourself is the only available way to find out whether it works for you specifically.
The word adaptogen was coined in the mid-twentieth century for substances said to raise resistance to stress in general, without specifying to what.
Brown fat is one of the rare cases where the elegant mechanism turns out to be real: the tissue genuinely converts fat into heat, bypassing the usual route.
There is no definition of biohacking that two people would both sign.
A meta-analysis of randomized trials showed a difference from placebo of about 1.
Berberine is a plant alkaloid that shows an effect on carbohydrate and lipid metabolism markers in meta-analyses.
Sudan I, II, III, and IV are synthetic dyes for industrial use: they are used to color waxes, oils, solvents, and polishes.
The word "preservative" on an ingredient label is often seen as a negative, and products "without preservatives" sell better.
Titanium dioxide has been used as a food coloring for decades and was considered one of the most inert additives: it does not dissolve, is not absorbed to any significant degree, and is chemically extremely stable.
The argument that "this additive is banned in Europe" sounds convincing and almost always requires clarification.
The history of these two sweeteners is a prime example of how a scientific conclusion can be retracted.
Brominated vegetable oil served a specific technical purpose: to keep citrus flavorings in suspension so they would not float to the neck of the bottle.
Potassium bromate was used for decades as a flour improver: it made dough more elastic and bread more voluminous with an even crumb.
Body mass index takes ten seconds to calculate and is therefore used where it shouldn't be: for an individual.
Breakfast is called the most important meal of the day, and the justification is usually linked to weight: those who skip breakfast overeat in the evening.
The advice to eat often and in small portions sounds so familiar that it is rarely questioned.
Three terms describe three different things, and the confusion between them costs more than it seems.
The keto diet promises a non-standard mechanism: not counting calories, but switching metabolism to a different fuel.
The rule is simple and therefore persistent: there are approximately 7700 kilocalories in a kilogram of fat, which means a deficit of 500 kcal per day results in half a kilogram per week and twenty-six kilograms per year.
Asking a chatbot about your diet has become easier than making an appointment with a specialist, and the answer comes detailed, polite, and structured.
A device the size of a keychain is held up to an apple, and sugar, protein, and calorie content appear on the screen.
The promise sounds convincing: a saliva sample, two weeks of waiting, and a diet tailored to your heredity.
Smart scales display body fat percentage, water percentage, muscle mass, bone mass, and "metabolic age.
The unpleasant feature of machine responses is not that they can be incorrect—reference books and labels can be wrong too.
There is a lot of writing about ultra-processed food right now as if the matter is settled: there is bad industrial food and good homemade food.
Food additives have a general background of suspicion, but E621 stands apart: it is feared specifically, with symptoms and stories.
One person is promised a metabolism boost through spices and frequent small meals, another explains weight plateaus by claiming their metabolism is broken from dieting.
Celery is the food people name when they want an example of negative calories: eat it and you end the day lower than you started, because digesting it supposedly costs more than it delivers.
Activated charcoal is cheap, sold without a prescription, and taken for almost anything: the morning after, a weekend cleanse, sometimes a course of capsules for weight loss.
This topic is usually presented in a way meant to induce fear.
There is no universal norm: it depends on weight, height, age, sex, and activity level.
Reviews for this method are more polarized than for any other: some say their life has changed, while others say they wasted their money.
When comparing diets in studies, an inconvenient result emerges: the difference between them is smaller than the difference between the people who follow them and those who do not.
Arguments about sweeteners are conducted as though the choice were between them and plain water.
Almost all nutrition plans fail not because of a lack of knowledge, but because of execution.
Two things on packaging cause the most fear: codes with the letter E and the acronym "GMO.
From reading to doing. All of it starts in one place — knowing what is on the plate. Photograph it and the calories and macros appear on their own.
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This article is for general information. It is not medical advice, a diagnosis, or a prescription for treatment or a diet, and it does not replace a consultation with your doctor. If you have a health condition, are pregnant, take medication, or follow a diet prescribed to you, decisions about food belong with your doctor.
Figures from regulations, guidelines and studies are given as they stood when this article was prepared and may since have changed; check them against the primary sources. This article is not advertising, an offer, or individual advice, and neither the author nor the site owner is responsible for decisions taken on the basis of it.