Dawn-to-Sunset Daily Fast
The world's largest annual fasting experiment. Dawn-to-sunset, food and water, for a lunar month.
Fasting
Traditional & Religious
Ramadan, Orthodox, and spiritual fasts
4 protocols. None rests on strong human evidence. Ordered with the best evidenced first.
4 protocols in Traditional & Religious
Circadian Time-Restricted Eating
The gentlest protocol, and the floor of healthy eating. Twelve hours on, twelve off.
Fasting as Spiritual Discipline
The Buddhist monastic practice of not eating after midday, one of the world's oldest continuous time-restricted-eating traditions.
Lenten & Liturgical Fasting
A periodic plant-based fast practiced for centuries, with quietly strong cardiometabolic data.