3. It seems for confidence to receive a proper dose for all of animal they should use of gavage instead of add to drinking water.
4. Did they measure the volume of drinking water by every group?
5. Did they measure the weight of each animal after 12 weeks treatment?
6. They have used of three neurotransmitter ACh, 5-HT and GABA; it seems use of ACh is Logical, but what about 5-HT and GABA? Especial about the 5-HT with considering the verity of excitatory