Definition of casual for Students. 1  1 : happening unexpectedly or by chance : not planned or foreseen a casual meeting. 2  2 : occurring without regularity : occasional casual visits. 3  3 : showing or feeling little concern : nonchalant This is awful!  4 : meant for informal use Wear casual clothing for the tour.
Fungemia or fungaemia is the presence of fungi or yeasts in the blood . The most common type, also known as candidemia, candedemia, or systemic candidiasis , is caused by Candida species, but infections by other fungi, including Saccharomyces , Aspergillus and Cryptococcus , are also called fungemia.
What causes personality disorders? Research suggests that genetics, abuse and other factors contribute to the development of obsessive-compulsive, narcissistic or other personality disorders. In the past, some believed that people with personality disorders were just lazy or even evil. Genetics. Researchers are beginning to identify some possible genetic factors behind personality disorders. One team, for instance, has identified a malfunctioning gene that may be a factor in obsessive-compulsive disorder.