“Prevalence of blindness (presenting VA of less than 3/60 in the better eye) was 4.1% (95% confi dence interval [CI], 3.4–4.8); prevalence of low vision (presenting VA of at least 3/60 but less than 18/60 in the better eye) was 7.7% (95% CI, 6.7–8.7); whereas prevalence of monocular visual impairment (presenting VA of at least 18/60 in better eye and VA of less than 18/60 in other eye) was 4.4%...

Those of us who worked in Cuba's countryside-even for a short time-still carry "rural doctor" as a badge of honor and pride. A little more than 50 years ago, in 1960, I was one of the founders of Cuba's Rural Medical Service (RMS). It was the first of several public health programs implemented under the new revolutionary government and grew out of an initiative by our class of medical graduates...

As part of its 100th-anniversary celebration, the Pan American Health Organization has named 12 persons as "Public Health Heroes of the Americas" in recognition of their noteworthy contributions to#10; public health in the Region of the Americas. Over the course of this year, the Revista Panamericana de Salud Pública/Pan American Journal of Public Health will be carrying pieces written by or ab...

Epilepsy is most likely to develop in later life. The burden of this disorder on health-care resources will rise further as the world's population continues to age. Making a secure diagnosis can be challenging because the clinical manifestations of seizures and the differential diagnoses and causes of epilepsy can be different in older individuals compared with younger individuals. Obtaining a ...

The theory of abstract Case in the framework of Government and Binding played an important role in capturing cross-linguistic generalizations regarding order and constituency and accommodating exceptions to word order universals. Case was shown to be relevant even in languages without morphological case markings. Indeed, Li (1985, 1990) demonstrated that Case facilitated the understading of a w...

ike a picky tourist looking for a hotel room, the malariacausing protozoan Plasmodium passes through several cells before settling on one to infect. Margarida Carrolo, Maria Mota (Instituto Gulbenkian de Ciência, Oeiras, Portugal), and colleagues now report that the initial invasions cause the damaged cells to make a factor that primes other cells for infection. The factor turned up in culture ...

or the better part of my career I’ve traveled the world speaking to companies about security; their challenges, strengths, and weaknesses, the regulatory landscape, and technical infrastructures. Ultimately, while the languages may differ as much as the landscape, the security troubles and goals are extraordinarily similar, seemingly unaffected by the diversity in industry and law. But, given t...