Detailed Instructions: In this task, you are given a sentence in the Romanian language. Your job is to translate the Romanian sentence into the English language.
See one example below:
Problem: Un bărbat pune brânză mărunțită pe o pizza.
Solution: A man is spreading shreded cheese on a pizza.
Explanation: In the given translation process, the tense of both sentences, quantitative measures, entity name, the polarity of the sentence remains the same.

Problem: Medicii au speculat că estrogenul corpului protejează împotriva deteriorării celulelor și îmbunătățește fluxul sanguin.
Solution:
Doctors have speculated that the body's own estrogen protects against cell damage and improves blood flow.