V-ati gandit vreodata ca o “portie” de ras e foarte buna pentru sanatate? Cercetatorii americani au demonstrat, pornind de la vizionarea unor filme de comedie, ca “veselia” face bine la inima. Filmele de comedie, de exemplu, sunt benefice deoarece maresc fluxul sanguin, se arata intr-un studiu citat de BBC News.
O echipa de cercetatori de la Universitatea din Maryland, Statele Unite, a facut un experiment in cadrul caruia 20 de tineri sanatosi au fost pusi sa urmareasca intre 15 si 30 de minute din-tr-un film trist si unul amuzant, la o distanta de 48 de ore.
Cand au urmarit filme de genul “Mary cea cu vino-ncoa”, fluxul sanguin a crescut la toti participantii, in afara unuia. Cercetatorii sustin ca efectul este echivalent cu a lua o doza de medicamente pentru inima.
In schimb, filme de genul “Salvati soldatul Ryan”, cu multe scene de razboi, au avut efectul contrar, raporteaza jurnalul “Heart”. Echipa de oameni de stiinta afirma ca rasul ar putea avea un efect de largire a arterelor, pe cand, se stie, stresul le ingusteaza.
Doctorul Michael Miller, coordonatorul studiului, a spus ca, desi este nevoie de mai multa munca de cercetare pentru ca descoperirea sa fie confirmata, vestea ar putea prezenta interes pentru amatorii de cinema.
“Fluxul sanguin creste cu peste 50% cand o persoana rade, fata de momentele in care este supusa unui stres mental”, afirma Miller.
“Impactul pe care l-a avut vizionarea unui film trist a fost similar cu acela pe care il au amintirea unor episoade de furie sau operatiunile aritmetice mentale. Impactul vizionarii unui film vesel este echivalent cu o sesiune de exercitii aerobice sau inceperea unui tratament cu statine.
In timpul studiului, voluntarii au fost rugati sa se abtina de la consumul de alcool, vitamine sau executarea de exercitii aerobice cu o seara inainte de inceperea experimentului, pentru ca aceste lucruri afecteaza fluxul sanguin.
In total, au fost facute 160 de masuratori ale fluxului arterial brahial, inainte si la un minut dupa perioadele de ras sau tristete. Artera brahiala se intinde intre umar si cot si este considerata un bun indicator al fluxului sanguin. “Indiferent daca razi la o gluma cu prietenii sau te uiti la o comedie buna, este foarte probabil ca rasul sa fie bun pentru inima ta. Totusi, am vrea sa ii linistim pe cinefili ca vizionarea de filme triste nu va avea efecte negative pe termen lung in ceea ce priveste inima sau circulatia”, a declarat Charmaine Griffiths, de la Fundatia Britanica pentru Inima.
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