Science-backed answers from the research and the community.
Prolonged Fasting
White Tongue While Fasting: Why It Happens, and It Clears by Day 4
White tongue while fasting isn't detox or candida — it's ketosis, dry mouth and bacteria. It peaks on days 2–3 and fades from day 4. Here's how to clear it faster.
Read article →
How Much Weight Do You Lose Fasting? Per Day, 24 Hours to 10 Days
1–2 kg (2–4 lbs) a day for the first four days, then 200–400 g of real fat a day. The numbers for a 24-hour, 48-hour, 3, 4, 5, 7 or 10-day fast — and how much comes back.
Read article →
Fasting as a Young Adult: Building a Lifelong Health Habit
Why starting fasting in your 20s or 30s builds a foundation for life, drawing on Upton Sinclair's 1911 account and modern research on habit formation.
Read article