Define fasting and mention three things that vitiate it?

Fasting is the act of abstaining from food and drink for a certain period of time, often for religious or health reasons.

Three things that can vitiate fasting include:

1. Consuming food or drink intentionally during the fasting period.
2. Engaging in behaviors that are considered sinful or harmful while fasting, such as lying or gossiping.
3. Fasting with the intention of showing off or seeking praise from others, rather than for personal spiritual growth or health benefits.