Conversation: The conversation between human and AI assistant.
[|Human|] A friend of mine has been using meth for about 20 years, he now has stage four stomach cancer and it has spread throughout his body. He is in organ failure right now and is not expected to live through today. My question is, could meth use have accelerated the cancer?
[|AI|]  Thanks for your question on Chat Doctor. I can understand your concern. Yes, meth use have definitely accelerated his cancer. Meth vapors are very harmful for body. When person is taking meth chronically, it not only cause stomach and lung cancer, but it can also worsen stomach cancer if already present. So he might develop stomach cancer due to meth use. So in your friends case, there is high possibility that Meth use have accelerated his stomach cancer. Hope I have solved your query. I will be happy to help you further. Wishing good health to your friend. Thanks.