Cosmeceuticals vitamins.

The term cosmeceutical was created over 25 years ago to define products with active substances that cannot be considered cosmetics or drugs. Cosmeceuticals are increasingly popular, with sales representing one of the largest growing segments of the skin care market. These products are found in many forms, including vitamins, peptides, growth factors, and botanical extracts.

Myiasis as a risk factor for prion diseases in humans.

Prion diseases are transmissible spongiform encephalopathies of humans and animals. The oral route is clearly associated with some prion diseases, according to the dissemination of bovine spongiform encephalopathy (BSE or mad cow disease) in cattle and kuru in humans. However, other prion diseases such as scrapie (in sheep) and chronic wasting disease (CWD) (in cervids) cannot be explained in this way and are probably more associated with a pattern of horizontal transmission in both domestic and wild animals.

Seroprevalence of HHV-8 infection in the pediatric population of two university hospitals in Rio de Janeiro, Brazil.

Background: The authors present a serologic survey of the prevalence of herpesvirus-8 (HHV-8) among 171 children from 0 to 12 years old in Rio de Janeiro, Brazil.

Materials And Methods: Sera were tested for latent nuclear and lytic antigens using indirect immunofluorescence and Western blotting.

Results: Serology for HHV-8 was positive in 16 of 171 patients (9.

Tropical dermatology: fungal tropical diseases.

Unlabelled: Fungal infections are common in tropical countries and can have an important impact on public health. Lobomycosis is a common fungal infection in the tropical rain forest of South America, and paracoccidioidomycosis (South American blastomycosis) is a widespread and sometimes severe illness. Penicilliosis marneffei is an opportunistic infection of AIDS patients in southeast Asia.

Herpes simplex virus type 2 in Brazil: seroepidemiologic survey.

Background: The incidence of genital herpes is increasing worldwide. Herpes simplex virus type 2 (HSV-2) is the most common cause of genital ulcerations among the sexually transmitted diseases (STDS). In order to investigate the sexual transmission of genital herpes infection in Brazil, the prevalence of specific antibodies to HSV-2, in populations of high and low risk for STDS was evaluated.