Provide major four groups of causes of cancer

a. Why personalized medicine is so valuable from your research perspective in cancer treatments-please just include your age group, which you have worked on?

b. What are the immediate challenges that personalized medicine confronting in our present time? What are your suggestions to solve them?

c. What are the major four groups of causes of cancer? Can you briefly explain with one example? How it relates to the single cancer model (“hallmarks of cancer”)?

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