system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Would an overweight person or a skinny person last longer without food? Does stored fat have an effect on lasting more without food intake?

I'm talking about an abrupt stop in food consumption.
gpt
Assuming they have water and no food the overweight person would last longer.

When you enter starvation mode your body begins to burn fat for energy. The entire reason we get fat is for this situation, our body has more fuel than it needs so it stores it for emergency use.