Diseases & Physical Ailments — Kindle Category Opportunity
Competition snapshot for the Health, Fitness & Dieting best-seller list, ease-of-entry score 54.5/100.
Category metrics
Score
54.5
Median reviews
333.5
Weak share (top 20)
45%
Median price
$9.99
Median star rating
4.6
Books scanned
50
Worth writing in?
The Diseases & Physical Ailments list shows real reader demand with room left for newcomers: the median book carries 333.5 reviews, yet 45% of the top 20 still sit under 100 reviews. 2 top-15 books hold fewer than 100 reviews at $0.99–4.99 — classic self-publishing breakout books. Ease-of-entry score 54.5/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 8 | 9 Hidden Switches: Where Suffering Ends and Peace Begins: A Timeless, Body-First Way to Ease Stress, Pain, and Inner Turmoil—and Make Room for Joy, ... Love (The Intelligence of Your Body Book 2) | 4.9 | 16 | $4.99 |
| 9 | Autoimmunity and the Good Girls: How Permission to Put Ourselves First Has the Power to Keep Us Well | 4.6 | 79 | $2.99 |
High-frequency phrases in this category's titles
Mine all categoriesHigh-frequency phrases mined from the 50 best-seller titles on this category's list. The ease-of-entry score tells you how winnable the category is; these title phrases tell you which words readers search with — use the two layers together. Frequency is a title statistic, not a search-volume estimate.
| Phrase | Titles | Rank-weighted score |
|---|---|---|
| revolutionary new | 3 | 120 |
| new science | 3 | 114 |
| weight loss | 3 | 71 |
| complete guide | 2 | 53 |
| chronic illness | 2 | 49 |
| program to reverse | 2 | 45 |
| chronic pain | 2 | 44 |
| herbal remedies | 2 | 44 |
| lose weight | 3 | 34 |
| scientifically proven | 2 | 32 |
| reclaim your health | 2 | 12 |
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More Health, Fitness & Dieting categories
28 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 75.0 | 15 |
| █████ | 72.5 | 15 |
| █████ | 70.0 | 37 |
| █████ | 69.5 | 48 |
| █████ | 66.5 | 52 |
| █████ | 66.5 | 17.5 |
| █████ | 66.5 | 36 |
| █████ | 66.5 | 30.5 |
| █████ | 66.5 | 35 |
| █████ | 64.0 | 58.5 |
| █████ | 63.0 | 30 |
| █████ | 60.5 | 41 |
| █████ | 59.5 | 14 |
| █████ | 59.0 | 17.5 |
| █████ | 55.5 | 38 |
| █████ | 53.0 | 99.5 |
| █████ | 53.0 | 51.5 |
| █████ | 51.0 | 41.5 |
| █████ | 47.0 | 205 |
| █████ | 47.0 | 241.5 |
| █████ | 44.5 | 194 |
| █████ | 44.5 | 357 |
| █████ | 43.5 | 418 |
| █████ | 41.0 | 349 |
| █████ | 41.0 | 445 |
| █████ | 37.5 | 249.5 |
| █████ | 20.5 | 100 |
| █████ | 11.0 | 324.5 |
Subcategory names are visible after sign-in — a free account unlocks every subcategory score.
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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.