See also:

• Science: Science in Society: Skeptical Inquiry  (156)
• Society: Religion and Spirituality: Divination  (1,764)
• Society: Religion and Spirituality: Opposing Views: New Age  (75)
• Society: Religion and Spirituality: Prophecies  (7)

• Psychics - Christian site argues that psychics rely on "familiar spirits," which are devils.
• Skeptic's Dictionary: Biorhythms - Overview and analysis.
• Trust the Bible - Lists Bible verses claiming that evil spirits are active in astrology, fortune-telling, mediums, and the occult.