Great question — answering as the UphillTech team:
Reviews and ratings are always good but it is possible to get sick pretty much anywhere, even in a well rated restaurant in developed country. Some people just have more sensitive digestive systems. While I also used to eat pretty much anywhere and trying most things, my body cannot handle this anymore and I get violently ill from my stomach very easily now. The best way to reduce chances of getting sick is to go when the throughput is high, so a popular place at a popular time. This happens simply because ingredients have to be replenished more frequently, so they will be fresher when you get them. With street food, there is much less storage space to keep food at a low temperature to...
Full answer by Itai: https://travel.stackexchange.com/a/178658 (CC BY-SA 4.0).
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