1. You fall sick very often
- If you keep getting colds, cough, fever or throat infections, it means your body is not making enough protection cells (white blood cells) or you’re not getting the right nutrients.
2. You take a long time to recover
- If a normal cold lasts too long or small cuts heal slowly, your body is struggling to repair itself and fight germs.
3. You feel tired all the time
- If you feel low energy even after good sleep, your immune system may be constantly fighting internal inflammation, which drains your energy.
4. You have digestive problems
- Gas, bloating, constipation or loose motions often means your gut bacteria are imbalanced. Since 70% of immunity is in the gut, digestion issues = weak immunity.
5. You are getting more allergies than before
- Dust or food allergies increasing? It happens when the immune system becomes confused and reacts to harmless things.
6. Skin problems keep coming back
- Frequent acne, fungal infections or rashes mean your skin’s defense layer is weak and inflammation is high.
7. Hair fall and weak nails
- Hair and nails become weak when the body lacks important nutrients.
Deficiencies like iron, zinc, vitamin D or biotin weaken both immunity and hair health.
8. Frequent mouth ulcers
- If you get ulcers again and again, it usually means low B12, folate or zinc, or high stress — all of which reduce immunity.
9. You catch infections very easily
- If someone near you sneezes and you get sick, your body may not be producing enough antibodies to protect you.
10. Poor sleep or high stress
- Sleeping badly and staying stressed increases cortisol (stress hormone), which directly switches off immune cells.
Why Does Immunity Become Weak?
1. Lack of vitamins
Your body needs proper nutrition to fight infections.
Common deficiencies: Vitamin D3, C, B12, Zinc, Iron.
Low levels = weak immune cells.
2. Poor diet
Too much junk, less protein, fewer fruits/vegetables, and high sugar all reduce your immunity.
Sugar especially can weaken immunity for 3–5 hours after eating.
3. Not enough sleep
Sleeping less than 6 hours reduces your immune power by 30–40%.
4. Stress
Long-term stress stops your body from creating enough immune cells.
5. No exercise / too much exercise
Not moving OR overtraining both stress the body and weaken immunity.
6. Gut imbalance
If your gut bacteria are disturbed (due to bad food or antibiotics), your immunity drops.
7. Alcohol or smoking
Both damage immune cells and stop nutrients from getting absorbed properly.
8. Hormonal issues
Thyroid problems or high cortisol can reduce immunity.
Sneh Lifescience 
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