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Il cibo spazzatura
Mirko Giovio
Che cos'è il cibo spazzatura
Il cibo spazzatura (dall'inglese junk food) è una tipologia di cibo
considerato malsano a cau...
Un hamburger: simbolo del cibo spazzatura
I fast food
La diffusione del cibo spazzatura fu favorita dalla nascita di fast
food come McDonald's, simbolo della global...
La carta rappresenta gli anni di nascita dei fast
food nei diversi paesi.
Motivi della loro diffusione
Perché la gente, e soprattutto i ragazzi, si strafogano sempre più di junk
food? La risposta ...
Effetti sulla salute
Uno studio del 2008 ha suggerito che il consumo di cibo spazzatura alteri
l'attività cerebrale in mod...
Effetti sulla salute
Nel 2007 il British Journal of Nutrition ha pubblicato uno studio secondo il
quale le madri che mangi...
Un bambino che mangia un Big Mac
I “peggiori” cibi spazzatura
bibite senza zuccheri
bibite analcoliche gassate
dolci al forno e fritti
wurstel
salumi e ins...
Le bevande che beviamo abitualmente sono uno
degli alimenti più nocivi per la nostra salute
Come risolvere questo problema
Alcuni studi hanno evidenziato come l'abbuffarsi di cibo spazzatura sia
un problema psicolo...
Biblio-Sitografia
http://www.meteoweb.eu/2013/09/junk-food-ecco-la-classifica-
dei-dieci-cibi-spazzatura-altamente-nocivi-...
Il cibo spazzatura
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Il cibo spazzatura

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Il cibo spazzatura

  1. 1. Il cibo spazzatura Mirko Giovio
  2. 2. Che cos'è il cibo spazzatura Il cibo spazzatura (dall'inglese junk food) è una tipologia di cibo considerato malsano a causa del suo bassissimo valore nutrizionale e dalla sua ricchezza di grassi o zuccheri.
  3. 3. Un hamburger: simbolo del cibo spazzatura
  4. 4. I fast food La diffusione del cibo spazzatura fu favorita dalla nascita di fast food come McDonald's, simbolo della globalizzazione mondiale Il primo McDonald's in Italia è stato aperto nel 1950 a Roma: oggi troviamo fino a 500 ristoranti dislocati in tutta la penisola che impiegano costantemente oltre 18000 lavoratori.
  5. 5. La carta rappresenta gli anni di nascita dei fast food nei diversi paesi.
  6. 6. Motivi della loro diffusione Perché la gente, e soprattutto i ragazzi, si strafogano sempre più di junk food? La risposta è molto semplice: perché sono buoni, perché sono stati concepiti per esaltarne la palatabilità, perché sono comodi, ma soprattutto... PERCHE' SONO ECONOMICI. Il junk food è estremamente a buon mercato: i grassi idrogenati, il saccarosio ma anche i dolcificanti, le patate, la carne macinata mista e grassa, sono materie prime che costano pochissimo.
  7. 7. Effetti sulla salute Uno studio del 2008 ha suggerito che il consumo di cibo spazzatura alteri l'attività cerebrale in modo simile a quello provocato dalle sostanze stupefacenti quali la cocaina o l'eroina. Dopo molte settimane di uso abbondante di cibo spazzatura si è notato che la parte del cervello di ratto destinata alle stimolazioni del piacere è diventato insensibile richiedendo quantità sempre maggiori di cibo per ritornare sensibile.
  8. 8. Effetti sulla salute Nel 2007 il British Journal of Nutrition ha pubblicato uno studio secondo il quale le madri che mangiano cibo spazzatura durante la gravidanza aumentano la probabilità di malattie nei figli. Un articolo simile del 2008 suggerisce che le madri che mangiano cibo spazzatura durante la gravidanza o in allattamento hanno figli che sono più inclini all'obesità. I bambini sono anche più inclini a diabete, al colesterolo e problematiche riguardanti la circolazione.
  9. 9. Un bambino che mangia un Big Mac
  10. 10. I “peggiori” cibi spazzatura bibite senza zuccheri bibite analcoliche gassate dolci al forno e fritti wurstel salumi e insaccati patatine in busta patatine fritte pizza surgelata pop corn gelato confezionato
  11. 11. Le bevande che beviamo abitualmente sono uno degli alimenti più nocivi per la nostra salute
  12. 12. Come risolvere questo problema Alcuni studi hanno evidenziato come l'abbuffarsi di cibo spazzatura sia un problema psicologico legato ad una questione di gusto e sapore. Un esperimento effettuato sui topi ha mostrato come questi animali si trasformino in consumatori compulsivi davanti a questa tipologia di cibo. In un mondo dove la globalizzazione ha preso il sopravvento non possiamo far altro che aspettarci che questi prodotti aumentino e vengano utilizzati sempre più spesso.
  13. 13. Biblio-Sitografia http://www.meteoweb.eu/2013/09/junk-food-ecco-la-classifica- dei-dieci-cibi-spazzatura-altamente-nocivi-per-la-nostra- salute/228261/ http://www.dietaland.com/cibo-spazzatura/7168/

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