Maria Fernandez, 42, of Cancun, Mexico, sits outside a shoddy trailer she shares with other workers. "Everybody around here always has headaches, coughs, running noses," she said. "It has to do with that dust on the plants from the chemicals. You are always breathing it in."

The figures show that immigration trends are forming a unique generational divide: those immigrants over 40 are largely white, while those under 40 are increasingly Hispanic, Asian and from other minority groups.

Since many exposures come during those field applications, the risks - to farmworkers and to nearby residents who can be affected if the chemicals drift - can occur much more frequently. "You are working in one field, and the tractor passes in the next field spraying," says Epifanio, 58, a veteran Mexican farmworker who asked that his full name not be used, out of fear for his job. "The wind brings it to you. It happens to somebody around here every single day."

The October issue of the Heptalk Listerv covers: 1. “Incorporating Sexual Risk Assessment in Routine Visits for Gay and Bisexual Men” Though targeted towards a narrower population, is applicable in most routine visit situations. Also includes some good specific questioning techniques. 2. Sexual History Taking. A complete module, in pdf form from the New England National Network of STD/HIV Prevention Training Centers, using 4 case studies. It reads easily and quickly and has many good suggestions.

Publication of the World Health Organization