Spraying Crops from Aeroplanes

The Health Consequences of Aerial Spraying of Illicit Crops: The Case of Colombia

This paper exploits the variation in aerial spraying across time and space in Colombia and employs a panel of individual health records in order to study the causal effects of aerial spraying of herbicides (Glyphosate) on short-term health-related outcomes. Our results show that exposure to the herbicide used in aerial spraying campaigns increases the number of medical consultations related to ...

The health consequences of aerial spraying illicit crops: The case of Colombia.

This paper exploits variations in aerial spraying across time and space in Colombia and employs a panel of individual health records in order to study the causal effects of the aerial spraying of herbicides (glyphosate) on short-term health-related outcomes. Our results show that exposure to the herbicide used in aerial spraying campaigns increases the number of medical consultations related to...

Risk of measles transmission on aeroplanes: Australian experience 2007-2011.

OBJECTIVE To quantify the risk of transmission of measles associated with infectious people who travelled on aeroplane flights to or within Australia. DESIGN, SETTING AND SUBJECTS Data were obtained from state and territory health authorities on all measles notifications from January 2007 to June 2011 for people who were likely to have been infectious or infected while travelling on aeroplane...

Taking young children on aeroplanes: what are the risks?

Spraying color Hilbert 1

What is color? Of course, examples of colorful objects are not hard to come by (Fig. 1 provides numerous examples), so the question itself is slightly puzzling, suggesting that some confusion needs to be cleared up or ignorance enlightened. But how could anyone (who isn't blind or totally lacking in color vision) possibly be confused about what color is? After all, if we learn anything about th...