Diseases, Conditions, Syndromes

Most Americans still get nicotine wrong

Nicotine is the drug that keeps people coming back to cigarettes, but not the substance that causes serious health effects in people who use tobacco. It is the tar and toxic chemical mix in tobacco and tobacco smoke that ...

Oncology & Cancer

New Raman imaging system detects subtle tumor signals

Researchers have developed a new compact Raman imaging system that is sensitive enough to differentiate between tumor and normal tissue. The system offers a promising route to earlier cancer detection and to making molecular ...

Immunology

Key lung immune cells can intensify allergic reactions

Alveolar macrophages are immune cells that live in the tiny air sacs of the lungs. Under normal conditions, these cells act as guardians, keeping the lungs healthy, supporting breathing, and preventing unnecessary immune ...

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