Health

Why is conducting research in some countries so difficult?

Low- and middle-income countries such as Brazil face a lack of epidemiological data, and one of the key priorities for researchers is developing high-quality surveys. Investigators at Columbia University's Mailman School ...

Health

The paradox of treating anaemia

Iron deficiency can be fatal. But in countries where patients are also likely to have other serious diseases, so too can the iron supplements used to treat it. Nearly 12 years ago, Dora Pereira – sometimes referred to as ...

Health

Delhi's health system: Inadequate progress for a global city

Over the past decade, India has emerged as one of world's most important engines of economic growth. In the health sector, India is often associated with its accomplishments in promoting innovation in the delivery of health ...

Diseases, Conditions, Syndromes

Why odds are against a large Zika outbreak in the US

Is the United States at risk for a large-scale outbreak of Zika or other mosquito-borne disease? While climate conditions in the U.S. are increasingly favorable to mosquitos, socioeconomic factors such as access to clean ...

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