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"Little information is available about the health effects that may be caused by JP-4 and JP-7. Inhaling large amounts of JP-4 vapor may cause painful breathing and a feeling of suffocation, as well as headache, dizziness, nausea, depression, anxiety, memory loss, and irritability."
After you open the website below, scroll down to the section with the title: 1.5 How can jet fuels JP-4 and JP-7 affect my health? So far I have not found a report linking jp-4 directly to COPD. It has bee related to cancer, death, nervous system effects, changes in liver cells and white blood cells and other things.
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