Generally, a disease like this is caused by an infectious agent and not spread between people. Neurosyphilis -- tabes dorsalis, although infectious, is not a genetic disease. It is not caused by a defective or abnormal gene.
1 Movies and animated cartoons. 2  While some color film processes (including hand coloring) were experimented with and in limited use from the earliest days of the motion picture, the switch from most films being in black-and-white to most being in color was gradual, taking place from the 1930s to the 1960s.
Richard Nixon: Abortion is âNecessary When You Have a Black and a Whiteâ. Share this story: January 22, 2014, is the 41st anniversary of one of the darkest days in American history â the day that the United States Supreme Court handed down the Roe v. Wade decision legalizing abortion on demand.