BACKGROUND Subjects who work in poultry slaughtering and processing plants have one of the highest human exposures to viruses that cause cancer in chickens and turkeys. It is not known whether these viruses cause cancer in humans also. Epidemiological studies investigating this issue are scarce. AIMS AND METHODS Mortality was studied during the period 1969-90 in a cohort of 7700 subjects who ...

The clinical and immunological manifestations of 51 children with onset of systemic lupus erythematosus (SLE) before the age of 15 were compared with those of 308 adult patients with disease onset between the age of 15-49 and another 27 elderly lupus patients whose disease onset occurred at or after the age of 50. Overall disease activity determined by mean SLEDAI score was highest in the child...

Structural Equation Models (SEM) can explicitly distinguish "dementia-relevant" variance in cognitive task performance (i.e., "δ" for dementia). In prior work, δ appears to uniquely account for dementia severity regardless of the cognitive measures used to construct it. In this study, we test δ as a mediator of age's prospective association with future cognitive performance and dementia severit...

Over the past 100 years, our understanding of dementia has undergone considerable change. For much of that time, ‘senility’ was seen as an almost inevitable concomitant of ageing, and was usually attributed to atherosclerosis. In the postwar period, a concept of multi-infarct dementia emerged (Hachinski 1974), but at the same time Alzheimer’s disease came to be seen not as a rare early-onset di...

Here we describe the seed shadow, seedling recruitment, ontogenetic structure and spatial distribution of Buchenavia capitata (an emergent canopy tree) in a 380-ha fragment of the Atlantic forest in northeast Brazil. In particular, we examine seed distribution around 10 parental trees and both seedling recruitment and mortality, during an 18 month period beneath and around parental trees. Moreo...

Numerous investigations have been reported on the embryonic development of the human cranium and on the sequential appearance, number, and location of primary ossification centers in component bones of the facial skeleton.'-6 In general, these studies were exclusively qualitative and non-metric in content. Relatively few attempts, however, have been made to measure the changes in size, form, an...

BACKGROUND AND OBJECTIVES Increased life expectancy makes increasingly older patients to be submitted to cardiac surgeries. This study aimed at evaluating the incidence of octogenarian patients submitted to cardiac surgeries in the Heart Institute, Hospital das Clínicas, FMUSP, in the last 16 years. METHODS The number of myocardial revascularization (MR) and valvar surgeries (VS) was analyzed...

Morinda citrifolia, also known as Great Morinda, Indian Mulberry, or Noni, is a plant belonging to the family Rubiaceae. A number of major chemical compounds have been identified in the leaves, roots, and fruits of Noni plant. The fruit juice is in high demand in alternative medicine for different kinds for illnesses such as arthritis, diabetes, high blood pressure, muscle ached and pains, mens...