List of topics considered to be pseudoscience

This is a list of topics that have been characterized as pseudoscience by some scientists and researchers. 
Paranormal and ufology.
Paranormal or supernatural subjects have been subject to criticism from many of sources including the following claims of the paranormal:
Religion and Science.
Spiritual and religious practices and beliefs, according to astronomer Carl Sagan, are normally not classified as pseudoscience. Some of the ideas are:
Creation science.
Creationism is the belief that the origin of everything in the universe is the result of the Christian God. 
Ideas not commonly referred to.
The following concepts have only a very small number of supporters, but have become notable:
Parody pseudoscience.
The following are parodies of other pseudosciences: