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Alimenti Salutari
Miti e verità sui cibi biologici
Italy
La protezione e la cura dell'ambiente è una delle priorità più importanti sostenuta da persone di tutto il mondo, spesso anche tramite manifestazioni, per diffondere una consapevolezza ambientale tra i cittadini e governi per far in modo di agire in difesa del nostro pianeta.
Sempre di più vengono richiesti alimenti di origine naturale sui nostri mercati, prodotti nel modo più organico possibile preservandone la purezza. Questi alimenti sono spesso noti come biologici o organici e molti supermercati rispondono a queste esigenze con scaffali dedicati a questo tipo di prodotti.
In questo articolo abbiamo deciso di esaminare gli alimenti biologici e rispondere alle domande più frequenti dei consumatori.
Cosa significa organico?
Questa è una delle domande più frequenti ed inizieremo da qui per poi approfondire altre domande più specifiche.
I prodotti biologici sono quelli in cui i cicli naturali del processo sono stati rispettati e non sono stati utilizzati pesticidi, fertilizzanti, antibiotici o qualsiasi tipo di sostanza chimica che possa alterare la produzione naturale.
Gli alimenti biologici sono accompagnati da un'etichetta denominata "marchio europeo di qualità ecologica", che garantisce i requisiti stabiliti dalle autorità ambientali dell'UE.
I cibi biologici sono più sani?
Se un prodotto è biologico abbiamo la garanzia che è di origine naturale e che non sono stati utilizzati elementi chimici. Di solito crediamo che i prodotti naturali siano migliori di quelli chimici o artificiali, ma paradossalmente nel 2007 l'uso di un pesticida naturale, il rotenone, è stato vietato perché è stato scoperto che fosse tossico.
La ricerca ha dimostrato che la percentuale di residui di antiparassitari rimanente nei prodotti è minima e non esiste alcuna malattia direttamente correlata al loro utilizzo. A questo proposito, il chimico Jose Miguel Mulet, professore di Biotecnologie, sottolinea che "il residuo lasciato dai pesticidi negli alimenti è troppo basso per creare problemi di salute".
È vero che ci sono aree, specialmente nei paesi sottosviluppati, in cui l’ eccessivo utilizzo di prodotti chimici ha causato problemi di salute agli stessi agricoltori. Tuttavia, l'EFSA (Autorità europea per la sicurezza alimentare) ha introdotto una legislazione per garantire che le sostanze chimiche utilizzate nella produzione alimentare siano conformi ai parametri di sicurezza alimentare.
Pertanto, concludere che il cibo biologico sia più salutare è supporre che il naturale sia sempre meglio del prodotto chimico e l'esperienza ci ha mostrato alcune eccezioni che dimostrano che ciò non è sempre applicabile.
Gli alimenti biologici sono più nutrienti e gustosi?
L'etichetta per alimenti biologici viene assegnata per le tecniche di produzione, ma non garantisce che questo alimento sia stagionale o locale. Per esempio puoi avere un caffè biologico dal Perù o alcuni pomodori biologici dal Messico, che garantiscono la produzione biologica, ma non sono certamente cibi locali, dal momento che hanno dovuto fare molta strada per arrivare nei nostri supermercati. L’Italia è uno dei Paesi che produce più cibo biologico, eppure la maggior parte dei prodotti viene esportata nei Paesi del nord Europa dove il consumo di cibi biologici è più elevato.
Si dice spesso che i cibi più gustosi siano stagionali e locali. Un esempio molto chiaro sono quei venditori di meloni che in estate scendono in strada per offrire i prodotti che hanno appena raccolto. Che siano prodotti biologici non significa che siano prodotti stagionali, poiché la maggior parte degli alimenti biologici viene prodotta nelle serre.
Esistono molti fattori che possono influenzare la qualità dei prodotti, ma ovviamente il marchio di qualità ecologica non è necessariamente una garanzia di miglior sapore o valore nutrizionale.
I prodotti biologici sono meno inquinati?
Uno dei motivi principali per cui sempre più persone scelgono prodotti biologici è dovuto all'impatto sull'ambiente che la produzione convenzionale ha dimostrato di avere.
Tuttavia, è conveniente sapere che i prodotti organici non sono la stessa cosa dei prodotti sostenibili. L'esempio precedente del caffè peruviano o dei pomodori messicani ci aiuta a evidenziare che questi prodotti sono stati trasportati da un Paese all'altro con la contaminazione che questo processo implica. Un cibo prodotto in zona è più sostenibile di uno biologico proveniente da un altra nazione. Inoltre, l'etichetta biologica non si riferisce all'imballaggio dei prodotti, quindi il caffè può essere biologico ma può essere contenuto in contenitori di plastica.
I pesticidi servono principalmente per aumentare la crescita delle colture. Un importante dibattito a questo proposito è se una produzione basata su tecniche organiche sarebbe in grado di soddisfare tutta la domanda attuale di cibo. La produzione biologica, rispettando i cicli naturali dei prodotti, ha raccolti inferiori di conseguenza costi maggiori.
Cosa sono le aziende agricole biologiche?
Le aziende agricole biologiche sono quelle che seguono le tecniche stabilite dalle normative europee e garantiscono un trattamento più rispettoso degli animali e dell'ambiente e danno priorità alla qualità dei loro prodotti rispetto alla quantità di produzione.
Ciò significa che gli animali hanno accesso all'esterno per pascolare; devono essere nutriti da alimenti di origine biologica, senza utilizzare stimolatori dell'appetito; le strutture devono avere un'adeguata ventilazione e illuminazione; sono vietate le tecniche di ingegneria genetica e l'uso di droghe o antibiotici negli animali. In breve, cercano di garantire il benessere degli animali.
Voi cosa ne pensate dei prodotti biologici? Cosa preferite acquistare?
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In the UK, men on average die four to six years earlier than women. They also have a life expectancy of 79.1 years, are significantly less likely to attend routine health screenings, are more likely to delay seeking medical attention for concerning symptoms, and face higher rates of cardiovascular disease, type 2 diabetes, liver disease, and suicide.
The dietary patterns, movement habits, sleep, stress management, and relationship with healthcare that men establish can have a profound influence on health outcomes across the lifespan.
Cardiovascular Health
Cardiovascular disease is the leading cause of premature death in men in the UK, and men develop it on average ten years earlier than women. The protective effect of oestrogen that delays cardiovascular disease in premenopausal women does not apply to men, meaning that risk accumulates from earlier in adulthood.
The key modifiable risk factors for cardiovascular disease include:
high blood pressure
elevated LDL cholesterol
high triglycerides,
insulin resistance,
smoking
excess visceral adiposity
physical inactivity
chronic stress
poor sleep
alcohol use and diet quality
Most of these can be influenced by nutrition and lifestyle, meaning that the everyday choices men make have a significant and compounding effect on their long-term cardiovascular risk.
Dietary patterns most strongly associated with reduced cardiovascular risk include:
Mediterranean diet
diets rich in vegetables and fruit
wholegrains
legumes
olive oil
nuts
oily fish
Focus should fall on predominantly whole food dietary patterns that are balanced, high in fibre and low in saturated fats.
Specific nutrients with the strongest cardiovascular evidence include omega-3 fatty acids, which reduce triglycerides and inflammation, soluble fibre from oats, barley, chia seeds, legumes, certain vegetables and fruit, which reduces LDL cholesterol, potassium from vegetables and fruit, which supports healthy blood pressure, and extra virgin olive oil for its anti-inflammatory properties.
In the UK, men are encouraged to have regular blood pressure and cholesterol screenings from their forties onward, and earlier for those with a family history of cardiovascular disease. Many men have elevated cardiovascular risk markers like LDL cholesterol for years before any symptoms arise, making regular monitoring genuinely important rather than optional.
Type 2 Diabetes and Metabolic Health
Men are at higher risk of type 2 diabetes than women at equivalent body weights, partly due to the tendency of men to accumulate visceral fat (fat around the internal organs) rather than subcutaneous fat (fat beneath the skin).
Visceral adiposity is metabolically active and drives insulin resistance, inflammation, and cardiovascular risk in ways that subcutaneous fat does not to the same degree.
Type 2 diabetes is largely preventable and in its early stages often reversible through dietary and lifestyle change. The evidence for dietary approaches to improving insulin sensitivity and metabolic health consistently points toward reducing refined carbohydrate and added sugar intake, increasing dietary fibre, eating regular meals with adequate protein, fibre and fat to moderate blood glucose response, and regular physical activity.
Waist circumference is a more informative marker of metabolic risk than body weight or BMI alone. A waist circumference above 94cm in men is associated with increased metabolic risk, and above 102cm with substantially elevated risk.
This is worth knowing not as a point of shame, but as a practical piece of health information that is easy to measure and track.
Dietary quality improvements, increased physical activity, and better sleep can all improve insulin sensitivity and reduce visceral fat independently of changes in overall body weight.
Prostate Health
According to Cancer Research, 1 in 6 men in the UK will be diagnosed with prostate cancer in their lifetime. When detected early, it is one of the most survivable cancers and so regular screening is particularly important for men over 50 and men with a family history of prostate cancer or with Black African or Caribbean heritage.
In epidemiological research, those who consume diets rich in lycopene, an antioxidant that gives fruits and vegetables like tomatoes, pink grapefruit and watermelon their red pigment, has been linked to a reduced risk of prostate cancer, though evidence is mixed.
Lycopene is significantly more bioavailable from cooked or processed tomatoes than raw, with tomato paste, passata, and canned tomatoes providing more absorbable lycopene than fresh tomatoes.
The overall dietary pattern matters more than any single nutrient. Higher vegetable, fruit and wholegrains intake, adequate zinc, and a predominantly whole food dietary pattern are associated with better prostate health outcomes. Diets high in processed meat and very high in saturated fat are associated with modestly increased risk in large prospective studies.
Testosterone and Hormonal Health
Testosterone levels in men decline gradually from the mid-thirties onward, with research suggesting an average decline of around 1 to 2% per year after age 40. This is a normal part of aging, but the trajectory and rate of decline are influenced by lifestyle factors, meaning that the choices men make in their thirties and forties meaningfully affect their hormonal health in their fifties and beyond.
Several nutritional and lifestyle factors are associated with better testosterone status. Adequate zinc intake is directly relevant: zinc is essential for testosterone synthesis, and deficiency is associated with reduced testosterone levels.
Good sources include shellfish, pumpkin seeds, and legumes. Adequate dietary fat intake, particularly from monounsaturated and saturated fat sources in moderate amounts, supports testosterone production, as testosterone is synthesised from cholesterol.
Vitamin D deficiency, which is widespread in the UK, is associated with lower testosterone levels so correcting any deficiency may improve testosterone status. Maintaining adequate vitamin D year-round through blood work to assess levels and supplementation when needed can therefore be relevant to hormonal health.
Chronic stress elevates cortisol, which directly suppresses testosterone production. This is one of several reasons why stress management is not separate from men's hormonal health but integral to it.
Sleep is equally relevant: testosterone is primarily produced during sleep, and research has found that even one week of sleeping five hours per night reduces testosterone levels by approximately 10 to 15% in young men, a reduction equivalent to ageing ten to fifteen years.
Sleep and Sleep Apnoea
Sleep affects testosterone, cardiovascular health, metabolic function, immune resilience, cognitive performance, emotional regulation, and physical recovery.
Sleep apnoea, a condition in which breathing repeatedly stops and starts during sleep, is significantly more common in men than in women, and is associated with fatigue, poor cognitive function, elevated cardiovascular risk, and reduced testosterone. It is frequently undiagnosed because the primary symptom is snoring combined with daytime sleepiness, which many men normalise. If you or your partner have noticed loud or irregular snoring combined with daytime fatigue, discussing this with a GP is worthwhile.
Seven to nine hours of quality sleep per night is the evidence-supported range for most adults. Consistent sleep and wake times, a cool dark bedroom, limiting alcohol, avoiding caffeine after midday, and managing stress are the most consistently evidence-supported sleep hygiene strategies.
Alcohol
Men in the UK drink more alcohol on average than women and are more likely to drink at hazardous or harmful levels. The NHS guidelines recommend no more than 14 units of alcohol per week spread across at least three days, with alcohol-free days each week.
Alcohol at higher intake levels is associated with liver disease, several cancers including colorectal and liver cancer, cardiovascular disease, high blood pressure, depression, cognitive decline, impaired sleep, reduced testosterone, and reduced fertility.
The relationship between alcohol and health is not linear, and while low-level drinking has historically been associated with some cardiovascular benefits, more recent research applying Mendelian randomisation methods suggests that even moderate drinking carries some increased risk.
This is not about prohibition. It is about honest awareness that alcohol is one of the most significant modifiable risk factors for serious health conditions in men, and that staying within recommended guidelines meaningfully reduces long-term risk.
Engaging With Healthcare
One of the most impactful things men can do for their long-term health is engage proactively with healthcare rather than reactively. This means attending NHS health checks when invited (available to those aged 40 to 74), discussing blood pressure, cholesterol, and blood glucose screening with a GP, being aware of bowel cancer screening (offered to those over 60 in the UK), having conversations about prostate health from the mid-forties onward for those with risk factors, and not dismissing symptoms or delaying seeking help when something feels wrong.
Testicular cancer is the most common cancer in men aged 15 to 49 afd is highly treatable when caught early. Regular self-examination and prompt reporting of any lumps or changes to a GP are important habits. Skin cancer rates are higher in men partly due to lower rates of sun protection, and regular skin checks for changing moles or lesions are worthwhile.
Mental Health
Men are less likely to seek help for depression and anxiety, less likely to discuss emotional difficulties with friends or family, and more likely to manage distress through avoidance, alcohol, or other external coping strategies rather than directly addressing the underlying issue. These patterns can have devastating consequences when unaddressed, and they are deeply connected to social norms around masculinity that equate emotional expression with weakness.
The most important message regarding men's mental health is to reach out. To your GP, to a therapist, to a trusted friend, to a helpline and to engage in psychological therapies like CBT and ACT for mental health support.
Closing Thoughts
Men's health is shaped by the accumulation of daily choices across decades: what is eaten, how much movement happens, how sleep is prioritised, how stress is managed, how much alcohol is consumed, and whether medical or mental health care is sought when needed.
None of these are binary or all-or-nothing. Small, consistent improvements in multiple areas compound meaningfully over time.
This article is for educational purposes only and does not replace the advice of a qualified healthcare or nutrition professional. If you're experiencing persistent or severe symptoms, please consult your healthcare provider.
Sources:
https://www.nmcd-journal.com/article/S0939-4753(23)00385-X/fulltexthttps://pmc.ncbi.nlm.nih.gov/articles/PMC6906176/https://pmc.ncbi.nlm.nih.gov/articles/PMC11958419/https://www.sciencedirect.com/science/article/abs/pii/S0960076021000716?via%3Dihubhttps://pmc.ncbi.nlm.nih.gov/articles/PMC8743653/https://www.sciencedirect.com/science/article/pii/S2949789225000881https://onlinelibrary.wiley.com/doi/10.1111/1467-9566.13257
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