The vast diversity in pseudosciences further complicates the history of pseudoscience. He often included elements of popular pseudosciences such as phrenology and physiognomy. Related pseudosciences include young Earth creationism, ghost hunting, and ufology. He has a special interest in debunking astrology and other pseudosciences connected to astronomy. Some modern pseudosciences, such as astrology and acupuncture, originated before the scientific era. Some pseudosciences originated in the pre-scientific era, such as astrology and acupuncture. According to skeptics, the phrase "holistic science" is often misused by pseudosciences. The vast diversity in pseudosciences further complicates the history of science. Pseudosciences such as homeopathy, even if generally benign, are used by charlatans. Despite failing to meet proper scientific standards, many pseudosciences survive.