Edward Marchesi Navigating food claims, viral posts, and unverified advice has become a daily task. A survey conducted by the National Institute of Health (ISS) surveyed over 4.000 people to determine how Italians distinguish between factual information and misinformation regarding nutrition.
The picture that emerges is mixed: on some issues, the population displays good critical thinking, while on others, deep-rooted misunderstandings persist that deserve clear explanations.
Below you will find the main results and the anti-hoax decalogue designed to improve the critical reading of food news.
Public perception of carbohydrates, light products and fruit
The data reveal that the majority of respondents are able to debunk some widespread beliefs. 93% recognized as false the idea that completely eliminating carbohydrates is an effective and healthy strategy for losing weight: bread, pasta and cereals have a nutritional role that cannot be demonized out of hand.
Carbohydrates are not automatically responsible for weight gain it rather depends on the overall energy balance.
Similarly, 90% of the participants understood that the products and, too Low-calorie or sugar-free foods don't automatically guarantee weight loss. A single low-calorie label won't compensate for an unbalanced lifestyle: the result depends on the overall quality of your diet and your total caloric intake.
Another myth debunked by many concerns the consumption of fruit after meals: 77% know that there is no scientific evidence to advise against its consumption for healthy people. The fear that fruit can compromise digestion is
Brown sugar, white sugar, and gluten: where there are still doubts
The perception of the sugar cane As a healthier choice than white sugar, cane sugar is less common: 74% of respondents acknowledged that the nutritional differences are negligible. Although cane sugar contains trace minerals, its caloric intake and metabolic effects are essentially the same.
The topic that generates the most uncertainty is the gluten. 67% correctly indicated that gluten is harmful only for people with celiac disease or with specific clinical diagnoses. However, approximately a third of the sample showed confusion: in recent years, the phenomenon of gluten-free products gluten free It has helped spread the idea that eliminating gluten is a healthy choice for everyone, a choice that is not supported by evidence for the general population.
These gaps highlight the need for clearer communications and accessible information that distinguishes between general recommendations and clinical indications specific to diagnosed conditions.
A practical guide to recognizing food hoaxes
To help citizens evaluate the information, the relevant Department has developed a anti-disinformation decalogue with concrete rules:
1. Be wary of quick and universal promises
Solutions that promise immediate results, such as “lose weight in a week,” are warning signs. nutrition It takes time and consideration of the bigger picture.
2. Check the source and expertise
Check who is authoring the article or post: authority, education, and absence of conflicts of interest are key elements in assessing trustworthiness.
3. Be suspicious of emotional and sensational language
Phrases that play on fear or scandal tend to spread misinformation. Favor neutral content based on data and guidelines.
4. Don't confuse personal experiences with scientific evidence
Anecdotal evidence is no substitute for controlled, repeatable studies; science is based on the consensus of the literature, not on individual cases.
5. Beware of partial information
Very often, messages only tout benefits without context: check whether limitations, target populations, and conditions of use are mentioned.
6. Don't let likes guide you
Online popularity doesn't equate to truthfulness. Viral content can also be completely wrong.
7. Step out of your information bubble
Recognize the confirmation bias We tend to seek confirmation of our ideas. Reading diverse sources helps us gain a more balanced view.
The Decalogue also includes suggestions for pausing before sharing, reading beyond the headline, and seeking confirmation in scientific literature or official guidelines. The goal is to transform every reader into a critical filter, reducing the impact of hoaxes on public health.
However, it remains important to continue disseminating practical and understandable tools to address areas of confusion, especially regarding gluten and food choices perceived as "healthier" without adequate evidence.
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