- ABC News Find the latest Exposure news from WIRED. See related science and technology articles, photos, slideshows and videos. From the dangers of secondhand smoke to the impact of toxic chemicals in food, the potential health risks of exposure to certain substances are wide-ranging and ever-evolving. ABC News provides coverage of the latest developments in exposure research, including health warnings, regulatory decisions and advice from health experts. Learn what you can do to protect yourself and your family from the potentially harmful effects of exposure to environmental agents.