A double standard is when one standard, such as behavior, is used for one person or group, and a different standard is used for another person or group under identical circumstances, i.e., it is socially acceptable for a man to have an affair, but it is not acceptable for a woman to have an affair.
Summary Summary. Uncombable hair syndrome (UHS) is a rare disorder of the hair shaft of the scalp. It is usually characterized by silvery-blond or straw-colored hair that is disorderly; stands out from the scalp; and cannot be combed flat. It may first become apparent from 3 months of age to 12 years of age.
Sirenomelia. Sirenomelia, alternatively known as Mermaid Syndrome, is a very rare congenital deformity in which the legs are fused together, giving them the appearance of a mermaid 's tail.ore than half the cases of sirenomelia result in stillbirth and this condition is 100 times more likely to occur in identical twins than in single births or fraternal twins.