How can sounds hypnotize people and or animals?

What are the physical side effects of D-Limonene? Is it normal to have very dark brown blood when you have your period because yesterday mine was rusty red now its dark brown? What is gauge valve? Is anise tea safe to drink during pregnancy? What by the vasodilation of a blood vessel? Does headgear hurt? What is the main cause of serotonin deficiency? What veins serve the gluteal area of the body? Why is acute hemorrhagic conjunctivitis called Apollo 11 disease? How is a diagnosis of carpal tunnel syndrome made? What is healthy blood presure for age 57? What is a cmp blood test? What are the different of skeletal joint? Why does your hand get cold when you raise your arm? Does lemon juice have any effect on heart rate? Where do cutters cut themselves? What were the different stages of evolution of man? Which are the weakest acids? Is Hypoglycemia caused in diverticulitis? Is the center of a tooth that is rich in nerves and blood vessels is it called a pulp?