Stephanie Mehta talks Fast Company's 2019 State of Women and Entrepreneurship Survey

The four stages of fasting. The physical changes that your body goes through during a fast can be divided into four stages: Stage 1: Fed state (0-3 hours) Stage 2: Early fasting state (3-18 hours) Stage 3: Fasting state (18-48 hours) Stage 4: Long-term fasting state (48 hours) Within the first 18 hours after eating, your body moves through two of these stages, including the fed state and early fasting state. Most popular forms of time-restricted eating (TRE), such as 16:8 or 18:6 fasts, also cyc