Fasting is a kind of abstinence. It is when someone does not eat or drink for some specified period of time. It is only the case if the person does so of his or her own will. It may also be that the person only eats and drinks certain kinds of food.
In almost all cases, there are exceptions for observing the fasting. These are made for the following groups of people
- pregnant women
- Those who have a disease, or are recovering from one
- In some cases, the old people
The Buddha emaciated after undergoing severe ascetic practices. Gandhara, 2 – 3rd century CE. British Museum.
Fasting Facts for Kids. Kiddle Encyclopedia.