There are many drugs, such as levodopa and dopamine agonists, and some central nervous system stimulants, anticonvulsants, antidepressants, H2 receptor antagonists, hormones, antiarrhythmics, and calcium channel blockers such as cinnarizine and flunarizine, that can affect motor behavior and cause movement disorders.
Here's a look at what you need to know about the first moon landing on July 20, 1969. The moon landing was watched by an estimated 600 million people around the world. Facts: July 20, 1969 - [4:17 pm EDT] Apollo 11 becomes the first manned spacecraft to land on the moon. Neil Armstrong (commander), Buzz Aldrin (lunar module pilot) and Michael Collins (command module pilot) were the crew.
Early missions were to test equipment and did not land on the moon. Apollo 7 and 9 were earth orbiting and Apollo 8 and 10 orbited the moon. The historic Apollo 8 mission was the first to take humans to the moon and back. Apollo 10 was a practice run for landing on the moon but did not actually touch down.