Complex sentence: Choline, as a precursor molecule to a neurotransmitter that assists in memory, was investigated by a group of scientists in 1975 to determine its effect and it was found that there was an increase in acetylcholine production from neurons.
Split into simpler sentences: Choline, as a precursor molecule to a neurotransmitter that assists in memory, was investigated by a group of scientists in 1975 to determine its effect. It was found that there was an increase in acetylcholine production from neurons.