“Low Immunity Symptoms: How to Recognize Weak Immune System Signs and Stay Healthy”
## *Table of Contents*
### *Part I – Understanding Immunity*
1. Introduction: Why Immunity Matters in Modern Life
2. What Is the Immune System? Structure and Functions
3. Types of Immunity: Innate and Adaptive Defense
4. How the Immune System Protects Your Body
5. Myths and Facts About Immunity
### *Part II – Causes of Low Immunity*
6. What Is Low Immunity? Meaning and Medical Perspective
7. Lifestyle Causes of Weak Immunity
8. Nutritional Deficiencies and Low Immunity
9. Stress, Sleep Deprivation, and Immunity Decline
10. Environmental and Occupational Risk Factors
11. Aging and Immunity Changes
12. Medical Conditions That Lower Immunity
13. Medications and Treatments That Weaken Immunity
### *Part III – Symptoms of Low Immunity*
14. Early Warning Signs of Weak Immune System
15. Frequent Colds, Flu, and Infections
16. Slow Wound Healing and Skin Problems
17. Constant Fatigue and Low Energy Levels
18. Digestive Problems and Gut-Immunity Connection
19. Allergies and Autoimmune Reactions
20. Recurrent Fever and Inflammation
21. Hair Fall, Nail Issues, and Physical Appearance Changes
22. Emotional and Mental Symptoms of Low Immunity
### *Part IV – Diagnosis and Medical Support*
23. When to See a Doctor
24. Medical Tests to Check Immunity Levels
25. Understanding Blood Reports and Biomarkers
26. Self-Assessment Tools and Tracking Symptoms
### *Part V – How to Boost Immunity Naturally*
27. Building a Strong Immune Lifestyle
28. Balanced Diet for Immunity Support
29. Superfoods for Stronger Immunity
30. Vitamins, Minerals, and Herbal Supplements
31. Exercise, Yoga, and Physical Fitness for Immunity
32. Sleep Hygiene: Restoring the Body’s Defense
33. Stress Management and Mind–Body Health
34. Gut Health and Probiotics
### *Part VI – Special Sections*
35. Low Immunity in Children: Symptoms and Care
36. Weak Immunity in Women: Unique Challenges
37. Immunity in Older Adults and Senior Care
38. Immunity During Pregnancy
39. Immunity in Athletes and Working Professionals
### *Part VII – Prevention and Long-Term Wellness*
40. Daily Habits to Maintain Strong Immunity
41. Hygiene, Vaccination, and Disease Prevention
42. Digital Lifestyle, Screen Time, and Immunity
43. Seasonal Immunity Care: Winter, Summer, Monsoon Tips
44. Travel, Pollution, and Immune System Protection
### *Part VIII – Advanced Topics*
45. Immunity and Chronic Diseases
46. Autoimmune Disorders: When Immunity Attacks the Body
47. Immunity and Mental Health Connection
48. Future of Immunity Science and Research
### *Part IX – Practical Resources*
49. Quick Checklists and Symptom Charts
50. 30-Day Immunity Strengthening Action Plan
51. Healthy Recipes for Immune Support
52. Frequently Asked Questions
53. Glossary of Important Terms
54. References and Further Reading
