Soursop leaf tea has an interesting history and a pleasant, calming profile as an herbal tea. It is not a cancer cure, a diabetes cure, or a substitute for medical care. If you want to try it, use it occasionally, buy from a trusted source, and talk to your doctor first, especially if you take any medications or have a health condition.
Soursop Leaf Tea: How to Make It, Traditional Uses, and What Science Actually Says