Cercetătorii atrag atenția supra legăturii dintre obezitate şi bolile de inimă, arătând că fiecare kilogram în plus obligă organismul să creeze 22 de kilometri de noi vase de sânge.
Cele mai multe vase sangvine din corpul uman nu sunt vene sau artere mari, ci nişte capilare subţiri, care ca nişte plase străbat toate organele şi ţesuturile umane. Acestea există şi în ţesutul adipos, astfel încât fiecare kilogram în plus determină organismul să dezvolte noi vase de sânge pentru alimentarea tuturor celulelor cu oxigen.
Cu cât sunt mai multe vase, cu atât este mai mare sarcina exercitată pe inimă, aceasta fiind în situaţia de a pompa sânge în nouă reţea sanguină. Procesul este însă reversibil, susţin cercetătorii. În cazul în care pierdeţi din greutate, organismul elimină vasele sangvine devenite inutile.
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