Aphrodisiacs, such as dopaminergic psychostimulants, are a class of drugs which can increase libido. He had alchemists create aphrodisiacs to induce sexual desire as pregame warmup. Foods such as chocolate and oysters are said to be aphrodisiacs. It contains recipes for cooking as well as providing remedies and aphrodisiacs. Other substances that impede on areas that aphrodisiacs aim to enhance are classified as anaphrodisiacs. Only recent attention has been paid to understanding how aphrodisiacs can aid female sexual function. Natural aphrodisiacs like alcohol are further classified into plant-based and non-plant-based substances. Aphrodisiacs can also be classified by their type of effects (i.e., psychological or physiological). His scientific work included studies on the harmful effects of aphrodisiacs. Deer farming has led to new processing using antlers for Asian medicine and aphrodisiacs. Upon his disinheritance, he opened a lucrative trade in "inheritance powders" and aphrodisiacs. In the Caribbean, some cultures consider the eggs to be aphrodisiacs. There are local beliefs that the ants are aphrodisiacs. As in "Lasioglossum zephyrum", the odors of "A. pura" females function as aphrodisiacs. He died of diphtheria, but rumors claimed his health had been weakened by aphrodisiacs.