instruction:
In this task, you are given a sentence in the English language and your task is to convert it into the Japanese language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).
question:
Additionally, they determined that a drop in insulin production in the brain contributes to brain cell degeneration, a symptom of Alzheimer's.
answer:
さらに、脳におけるインシュリン生成の減少が、アルツハイマー病の症状である脳細胞の退化を促進することを研究者たちは解明した。


question:
But whilst equinoxes occur twice a year on Earth, Saturn takes around 29.7 Earth years to orbit the Sun so the events are much rarer.
answer:
しかし、地球では春分と秋分は1年に2回だが、土星は太陽の周りを好転するのに地球の時間で約29.7年かかるため、この出来事はさらに希少だ。


question:
However, protests in Damascus reportedly turned violent as security forces were said to disperse the crowds with batons and tear gas to prevent protesters reaching the capital's main square.
answer:

しかし、ダマスカスのデモは報告によると、治安部隊が、抗議者らが首都のメイン広場にたどり着くのを阻止するため、警棒と催涙ガスで群集を解散させたと言う。