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.
On July 20, 1969, Apollo 11 astronauts Armstrong and Aldrin, the first men to land on the moon, plant the U.S. flag on the lunar surface. AP/NASA. This frame from Aldrin's panorama of the Apollo 11 landing site shows Armstrong on the lunar surface.