Caffeine is a central nervous system stimulant occurring naturally in some foods and used to treat primary apnoea in premature babies. However, high caffeine intake can be harmful, and caffeine is transmitted into breastmilk.
The occurrence and development of cancer cells in the body is a dynamic process of interaction between the immune system and the tumour cells. Whether tumour growth is promoted or suppressed in the parabiosis model is still unclear.
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