Blog # Notes from the walk. What I tell my friends, my well-wishers and my patients when they ask how I eat, sleep and keep going. 1. [19 July 2026 Tips for longer, healthier living Longevity isn't one magic habit. Seven areas where daily choices compound: movement, food, sleep, stress, company, the obvious killers, and the brain.](https://vittalkamath.com/blog/tips-for-longer-healthier-living) 2. [3 June 2026 Circadian rhythm The 24-hour clock in your brain that times sleep, hormones, metabolism and mood — what it regulates, what throws it off, and how to keep it steady.](https://vittalkamath.com/blog/circadian-rhythm) 3. [3 June 2026 Metabolic syndrome Not a disease but five risk factors that travel together. How it is diagnosed, why it happens, what it leads to, and how to turn it around.](https://vittalkamath.com/blog/metabolic-syndrome) 4. [30 May 2026 Constipation What counts as constipation, what causes it, what helps most people, the myths worth dropping, and the signs that need a doctor.](https://vittalkamath.com/blog/constipation) 5. [26 May 2026 Sore throat (pharyngitis) Viral, bacterial, fungal, allergic or reflux: what causes a sore throat, how each kind is treated, and the signs that mean you should see a doctor.](https://vittalkamath.com/blog/sore-throat) 6. [24 May 2026 Peace of mind The Bhagavad Gita treats peace not as the absence of war but as an inner order that holds even in conflict. What that looks like off the battlefield.](https://vittalkamath.com/blog/peace-of-mind) 7. [20 May 2026 The Bhagavad Gita, chapter by chapter All eighteen chapters of the Gita, one line each — from Arjuna's despair at Kurukshetra to liberation through selfless duty.](https://vittalkamath.com/blog/bhagavad-gita-chapter-by-chapter) 8. [19 May 2026 Dementia The signs, the main types, the reversible conditions that mimic it, how it is diagnosed and managed — and why what is good for the heart is good for the brain.](https://vittalkamath.com/blog/dementia) 9. [18 May 2026 Food preservatives Natural and artificial preservatives, what each one does, the side effects linked to them, and why fresh food is still the better choice.](https://vittalkamath.com/blog/food-preservatives) 10. [15 May 2026 Thyroid hormone: thyroxine (T4) What T4 is, where it is made, the feedback loop that controls it, what it does in the body, and the blood tests and conditions to know.](https://vittalkamath.com/blog/thyroid) 11. [11 May 2026 Kidney stones (renal calculi) Hard, pebble-like deposits that form when urine becomes too concentrated. The symptoms, the five kinds of stone, and how to keep them from forming.](https://vittalkamath.com/blog/kidney-stones) 12. [9 May 2026 Backache One of the leading causes of disability worldwide. What causes it, who is at risk, how to prevent it, and when back pain is really coming from somewhere else.](https://vittalkamath.com/blog/backache) 13. [4 May 2026 Cholesterol What cholesterol is, good and bad, what raises it, what it does to arteries, and what brings it down — including what I have eaten every day for twenty years.](https://vittalkamath.com/blog/cholesterol) 14. [4 May 2026 Common cold: why antibiotics don't help A cold is a virus, and antibiotics don't work on viruses. What to expect day by day, what actually helps, and when to watch for complications.](https://vittalkamath.com/blog/common-cold) 15. [12 April 2026 Antioxidants What free radicals are, how antioxidants neutralise them, where to get them — and why a balanced diet beats a bottle of supplements.](https://vittalkamath.com/blog/antioxidants) 16. [22 February 2026 Sleep Krishna's formula for moderation in Gita 6.17, how sleep cycles work, and seven rules for yukta-nidra.](https://vittalkamath.com/blog/sleep) 17. [18 January 2026 Diet What the Bhagavad Gita calls sattvik food, what a balanced plate looks like in numbers, and how to eat for your dosha.](https://vittalkamath.com/blog/diet) 18. [1 January 2026 Walking vs jogging Both get you moving, but the intensity, mechanics and impact are different. Speed, impact, calories, form, and when to choose which.](https://vittalkamath.com/blog/walking-vs-jogging)