Leptin is a hormone that helps manage appetite levels. If you are feeling lethargic or if you want to lose a little bit of weight, you may require more leptin in your system. Leptin works by informing your brain about how much you have in your fat reserves.
For most cases of food poisoning, symptoms tend to come on within one to three days of eating the contaminated food. However, for some types of food poisoning, this 'incubation period' can be as long as 90 days.
How Long Does it Take Food Poisoning to Go Away? Food poisoning can be caused by a variety of bacterial, viral or parasitic agents that move from undercooked or ready-to-eat foods into your digestive tract. Some of these pathogens attack body tissue directly.