CHICKENPOX Alternative name: varicella What’s it? Chickenpox is a highly contagious infectious disease caused by a virus called varicella-zoster. This virus can cause several types of infections: primary (well-established chickenpox), latent (without clinical manifestation), and reactivation. This virus remains in our body for the whole life as though it were sleeping; its reactivation determines a… Continuar lendo CHICKENPOX


DOWN'S SYNDROME (TRISOMY 21) Ércio Filho, MD., MA in Pediatrics by the State University Rio Grande do Sul (UFRGS). What's it? Down's syndrome is the most common form of mental retardation caused by a microscopically demonstrable chromosomal abnormality. It's characterized by well defined phenotypic aspects and natural history. It's caused by the occurrence of a… Continuar lendo DOWN’S SYNDROME (TRISOMY 21)


MALNUTRITION   Ércio Oliveira, MD. Professor, Department of Pediatrics, Rio Grande do Sul State University School of Medicine (UFRGS). Pediatrics Specialist by the Brazilian Society of Pediatrics. Ércio Filho, MD., MA in Pediatrics by the Rio Grande do Sul State University (UFRGS).   Malnutrition may be the result of either a poor diet or an… Continuar lendo MALNUTRITION


MEASLES What is it? A highly contagious infectious disease, measles belongs to the group of diseases manifesting themselves by marked skin alterations, erythematous exanthem (red skin, with plaques that tend to unite) and compromising several organs. Measles is caused by a virus called morbili vírus. How is it Spread? Men and monkeys are the only… Continuar lendo MEASLES


STEM CELLS What are stem cells? They are immature cells able to reproduce and differentiate themselves in various tissues. They are also called mother-cells. They can be:   Embryonic:   They are able to reproduce quickly, giving origin to all types of differentiated tissues. Adults:   Mature cells that reproduce more slowly, the most well-known… Continuar lendo STEM CELLS