Stresul cronic mareste riscul de cancer
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Stresul cronic mareste riscul aparitiei tumorilor canceroase, arata un studiu al cercetatorilor germani, citati de DPA. Celulele canceroase au tendinta de a se "grupa" in anumite zone ale corpului,
Stresul cronic mareste riscul aparitiei tumorilor canceroase, arata un studiu al cercetatorilor germani, citati de DPA. Celulele canceroase au tendinta de a se "grupa" in anumite zone ale corpului, ghidate de adrenalina - o substanta eliberata cand oamenii se afla sub tensiune psihica sau fizica. "Studiul nostru arata ca celulele canceroase nu apar in organism la intamplare, ci sunt conduse de neurotransmitatori spre anumite regiuni", a spus dr. Kurt Zenker, seful Institutului de Bio-Stiinta de la Witten. Neurotransmitatori precum adrenalina sau noradrenalina sunt mesagerii sistemului nervos central. "In functie de natura lor, neurotransmitatorii pot inhiba sau stimula expansiunea celulelor canceroase", a explicat dr. Zenker. "Stresul mareste probabilitatea ca acesti neurotransmitatori sa ajute celulele canceroase sa se inmulteasca", a adaugat cercetatorul. Potrivit echipei care a realizat studiul, aceasta descoperire ar putea sta la baza unei noi terapii, care sa promoveze neurotransmitatorii, ce impiedica generalizarea cancerului.
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