Asthma in Children: Effects of Exposure to Diesel Exhaust Particles

Asthma in Children: Effects of Exposure to Diesel Exhaust Particles

Diesel exhaust particles are one of the major components of air pollution. These particles are suspended in the air, and are microscopic — less than one-fifth the thickness of a human hair. As we breathe, they are drawn deep into the lungs. Because diesel-powered engines are everywhere, it is almost impossible to avoid them. People […]

Psychological Stress in Children: Effects on the Immune Response

Psychological Stress in Children: Effects on the Immune Response

Stress is part of life — but while a little bit of it (good stress) may keep us active and alert, and sometimes even motivate us, the long-term type (bad stress) can have negative effects on our health.  Elevated blood pressure and heart disease are just some examples of the so-called “stress-related diseases”.  In addition […]

Following Olfactory Cues to Detect the Activation of Innate Immune Responses

Following Olfactory Cues to Detect the Activation of Innate Immune Responses

Thanks to their keen sense of smell, African giant pouched rats can be trained to detect landmines and tuberculosis. Two weeks ago, Maarten Boersema reported in The Scientist that “It takes about nine months to fully train a tuberculosis-detection rat. But once trained, the rat can screen thousands of patients every month.” Rats are not the only disease-sniffing […]