In their mind, HIV infection may be a natural result of a wrongful act. They may feel that HIV is a punishment for the crime they committed and that the guilt they have to bear is both reasonable and deserved. Culture often plays a big role in this.
What is it used for? Urea is used to treat chronic dry skin conditions, such as eczema. It is also used to treat skin conditions that cause dry, thickened, scaly, flaky and cracked skin (ichthyosis, xeroderma) and thickening of the outermost layer of the skin (hyperkeratosis). It is an emollient, also known as a moisturiser.
Externally  Usnea can be used as a mouthwash, a gargle or in lozenges to aid inflammation of the oral mucus membranes. As an antifungal, it can be used to treat topical ailments like ringworm, athlete's foot and yeast. Some also use it to treat boils and other skin lesions. Other Uses  It is used as a fixative in perfumes that have a mossy note to them. It is also used as a flavoring for foods and in making beer.