health aspects

Describes advancing technology in the early twenty-first century and threats to the security of personal information, discussing passports, Blackberry devices, iPads, commercial photocopiers, and other gadgets with digital capabilities, and explaining ways to embrace technology in daily life and remain protected.

Examines the dangers of the anti-vaccine movement, describing how parents who choose not to vaccinate their children against pertussis, measles, mumps, and other diseases are putting their children and the entire population at risk.

Discusses the health risks and physical dangers caused by tobacco for teenagers, examining the cultural influences that lead teens to smoke cigarettes or use tobacco, and providing tips and advice to overcome a nicotine addiction.

Looks at developments in the eating and exercise habits of Americans since the 1970s, examines the reasons for the changes, discusses the health consequences of being overweight, and suggests ways to maintain a healthier body.

Discusses the short- and long-term benefits of regular exercise, which includes preventing and helping to treat existing illnesses.

Describes ways that societies all over the world deal--and do not deal--with human waste, and covers the sewers of Paris, London, and New York City; examines the public toilets in India, China's biogas digesters, third world sanitation movements, the U.S. military laser elimination methods, and more.

Paul J. Lioy, an American environmental scientist, discusses the dust that was released from the terrorist attacks on the World Trade Center in 2001, describing his scientific findings and the environmental impact of the dust, the government focus on asbestos, and suggestions to prepare for future incidents.

Examines the controversy over the use of pesticides and discusses the effects of this use on agriculture, health, and the environment.

Presents a comprehensive guide for teens on the consequences connected with sleep deprivation and discusses its causes and how it can be avoided, its medical and emotional affects, and provides statistics and scientific data.

Essays from various perspectives help students understand the dangers of teenage smoking, the methods used by the tobacco industry to encourage smoking, and the effectiveness of anti-smoking campaigns.