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The 4-methylnitrosamino-1-3-pyridyl-1-butanone (NNK) and N'nitrosonornicotine (NNN) derivatives of nicotine both exhibit oncogenic properties

While 10% to 20% of smokers develop lung cancer in their lifetime, there have been no tools available to identify which of the approximately 90 million current and former smokers in the United States are at the highest risk, the researchers say

Certain medications you take to manage your arthritis suppress your immune system, which makes you more vulnerable to infection than the general population, says Yvonne Lee, MD, an associate professor of rheumatology at Northwestern University Feinberg School of Medicine and a Northwestern Medicine rheumatologist