Why “Time As Medicine” is the only compulsory therapy on the S.M.A.R.T. Chart and what Dr. Biswaroop Roy Chowdhury says that tells us about healing
Of all the therapies on the S.M.A.R.T. Chart, only three of them carry the word Compulsory next to it.
They are DIP Diet, Zero Volt therapy and Time as medicine.
Time As Medicine; This single word, “compulsory,” is worth sitting with. It means that regardless of your symptom, regardless of which other therapies you apply, ignoring your body clock will undermine everything else you do. Dr. BRC doesn’t say this lightly. He says it because the biology backs it up completely.
Your Body Runs on a Clock - Whether You Respect It or Not
Every organ in the human body operates on a roughly 24-hour internal rhythm. This is the circadian clock and it governs far more than just sleep. It controls when your liver detoxifies, when your immune system peaks, when insulin sensitivity is highest, when cortisol should rise and fall, when your gut moves, and when your heart is most vulnerable.
Dr. BRC’s position is clear: most modern illness is not just about what we eat or how much we move. It’s about when we do everything. Eating at the wrong time. Sleeping at the wrong time. Being exposed to light at the wrong time. These are not minor lifestyle inconveniences; they are biological disruptions with real clinical consequences.
What Happens When the Clock Breaks
Fever that spikes at night and won’t settle. Weakness that persists despite rest. Weight that climbs even on a careful diet. Irregular blood sugar with no obvious dietary cause.
Dr. BRC points to circadian disruption as an underappreciated root behind all of these. When the body clock is misaligned through late nights, irregular meals, artificial light after dark, or skipping morning sunlight – the body’s repair processes simply cannot run on schedule.
Fever, in his framework, is often the immune system doing its job. But if you’re eating late, sleeping erratically, and never seeing morning sun, you’re actively blocking the conditions your immune system needs to complete that job. The fever lingers. Recovery stalls.
The same logic applies to weight. Insulin sensitivity follows a daily curve – it is highest in the morning and drops significantly by evening. Eating a large meal at 9pm is metabolically very different from eating the same meal at 12pm, even if the calories are identical. Dr. BRC has been saying this for years. Circadian science is now confirming it in study after study.
What "Time as Medicine" Actually Looks Like
In practical terms, Dr. BRC’s Time As Medicine framework asks for a few non-negotiable anchors:
Morning sunlight within the first hour of waking — not through glass, not filtered. Direct skin and eye exposure to reset the master clock in the brain.
Eating within a defined window — ideally between sunrise and sunset, with the largest meal before 2pm when digestive and metabolic capacity is strongest.
No food after dark — the gut, pancreas, and liver are winding down. Feeding them late forces work they are biologically not designed to do at that hour.
Consistent sleep and wake times — the body clock is trained by repetition. Irregular schedules confuse every downstream system that depends on it.
Why It's Compulsory
Dr. BRC marks Time As Medicine as compulsory for a reason that is both simple and profound, healing is a biological process, and biological processes are time-dependent. You cannot detox at the wrong hour. You cannot repair tissue without deep sleep. You cannot regulate blood sugar while eating against your metabolic rhythm.
Every other therapy on the S.M.A.R.T. Chart becomes more powerful when the body clock is working with you and significantly weaker when it isn’t.
Time, as Dr. BRC sees it, is not just a backdrop to healing. It is the medicine itself.

