Autoimmune and genetic causes of hepatitis involve genetic predispositions and tend to affect characteristic populations. These manifest, state Hindu philosophies, as habits, behavior, tendencies, psychological predispositions and dispositions. Environmental influences may interact with hereditary predispositions and cause mitochondrial disease. Both experiential tendencies and innate predispositions have been proposed to account for pose preferences. Genes affect cultural evolution via psychological predispositions on cultural learning. Behaviors displayed by animals can be influenced by genetic predispositions. Despite these frustrations, however, Spenser "kept his aristocratic prejudices and predispositions". These perceptual skills indicate that music-specific predispositions exist. Other genetic predispositions include the density of the breast tissue and hormonal levels. Furthermore, animal behavior is also influenced by evolved predispositions, or genetics. The same is also applicable to beliefs about individual differences in predispositions, not necessarily ethnic. The habitus is the subjective system of expectations and predispositions acquired through past experience. Furthermore, "PTEN" mutation also causes a variety of inherited predispositions to cancer. Several factors are identifiable as predispositions to accidents in technical diving. Little else is known about Publius's philosophical predispositions or political sympathies.