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If cough, cold and fever are troubling you again and again then be careful, it is not due to change in weather, this can be a big reason.
Samira Vishwas | May 19, 2026 7:24 PM CST

Weak Immunity: Doctors believe that change in weather alone cannot be the cause of disease. This may be a reason but lifestyle also plays an important role. Experts believe that the biggest reason for falling ill again and again is weak immunity.

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Weak Immunity: When problems like cough, cold, sore throat and fever occur again and again, we often attribute it to the change in weather. Sometimes pollution and sometimes heat and rain are blamed. Doctors believe otherwise, they say that change in weather alone cannot be the cause of the disease. This may be a reason but lifestyle also plays an important role.

Doctors told these big reasons

  • There are many daily habits due to which the body becomes weak from inside.
  • Eating late at night, staying awake and not waking up early in the morning. This disturbs the sleep cycle.
  • Experts believe that the biggest reason for falling ill again and again is weak immunity.

How does immunity become weak?

Doctors have given many reasons behind weak immunity.

  1. Not getting enough sleep (experts believe that every person should get 7 to 8 hours of deep sleep)
  2. Not focusing on exercise, workout and yoga-meditation.
  3. Eating too much fried food and disliking fruits and vegetables.
  4. Not giving importance to food rich in nutrients (protein, fat, carbohydrate, iodine, calcium, vitamins, iron).

Experts consider deep sleep important?

In fact, experts consider deep sleep important for a person to remain healthy. According to ABP report, CDC research conducted in America has found that lack of sleep affects immunity. Along with this, it affects many types of diseases, obesity and mental health. Deep sleep produces a protein which is effective in fighting infections.


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