What We Will Cover in the Chapter

Last updated at July 13, 2026 by

This chapter takes us into what it truly means to be healthy — not just being free of illness, but feeling well in body, mind and society — and into the diseases that disturb this balance, how they spread, how we keep them away, and how we treat them.

Understanding the Name of the Chapter

Health A state of complete physical, mental and social well-being, not just the absence of disease.
Ultimate The most important, valued above everything else.
Treasure Something precious worth protecting and looking after every day.

Topics We Will Study in This Chapter

1 Health and How to Stay Healthy 2 How We Know That We Are Unwell 3 Disease — Cause and Types 4 Communicable Diseases 5 Non-Communicable Diseases 6 Prevention and Control of Diseases 7 How to Treat Disease
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Maninder Singh

CA Maninder Singh is a Chartered Accountant with 16+ years of practical experience and 20+ years of teaching experience. He teaches Science, Economics, Accounting and English at Teachoo using clear explanations and exam-focused methods students can trust.

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