The Health directory covers specific information about health such as child health, addictions, medicine, nursing, yoga, weight loss, pharmacy, reproductive health, specific substances.
Hearingresearch.org
Conducts research programs that promote technological solutions to problems confronting people who are deaf or hard of hearing.
http://www.hearingresearch.org/
Rehabilitation Research Centers
Contains useful information on the subject as well as its importance and relevance.
http://www.ncddr.org/
RERC on Communication Enhancement
This Rehabilitation Engineering Research Center studying alternative and augmentative communication is located in Durem, North Carolina.
http://aac-rerc.com/
Resna.org
An interdisciplinary association for the advancement of rehabilitation and assistive technologies (AT).
http://www.resna.org/