Question

ed has been diagnosed with alzheimers disease. he is taking an experimental medication. this medicine is designed to increase the level of ______. need help on this question? read the ebook page on this topic (no penalty) get a hint (fewer points) show answer (no points)

Explanation:

Alzheimer's disease is associated with a deficiency of acetylcholine. Medications for it often aim to increase acetylcholine levels.

Answer:

acetylcholine