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What is low immunity?

2025-10-23 12:23:37 female

What is low immunity?

Low immunity refers to a state in which the body's immune system is weakened and unable to effectively resist the invasion of pathogens or remove abnormal cells in the body. This state may lead to frequent infections, slow wound healing, or increased risk of chronic disease. The following is a detailed analysis of low immunity, including definition, symptoms, causes and recent hot related topics.

1. Main manifestations of low immunity

What is low immunity?

Symptom typeSpecific performance
Increased frequency of infectionsMore than 4 colds per year, recurring mouth ulcers, skin infections, etc.
Prolonged disease courseA common cold lasts for more than 2 weeks and a wound takes more than 1 month to heal
systemic symptomsPersistent fatigue, loss of appetite, and unexplained weight loss

2. Recent hot topics related to immunity (last 10 days)

RankingTopic contentDiscussion popularity
1The impact of the new coronavirus variant JN.1 on immunocompromised peopleSearch volume across the entire network exceeds 5 million
2How to boost immunity during winter flu seasonSocial media interactions reached 1.2 million
3New findings on the relationship between intestinal flora and immune functionProfessional platform citations: 8,000+

3. Main causes of low immunity

1.physiological factors: Age (infants/elderly people), hormonal changes during pregnancy, hereditary immunodeficiency diseases.

2.disease factors: Chronic diseases such as AIDS, diabetes, and cancer can directly weaken the function of the immune system.

3.lifestyle:

bad habitsImpact on immunity
Stay up late for a long timeReduce immune cell production
excessive drinkingDestroy the intestinal immune barrier
lack of exerciseReduce immune cell activity

4. Scientific methods to improve immunity

1.Nutritional supplements: Ensure the intake of key nutrients such as protein, vitamin A/C/D, zinc. Recent research shows that daily vitamin D supplementation can reduce the risk of respiratory infections by 12%.

2.Exercise advice: 150 minutes of moderate-intensity exercise per week can improve immune cell circulation efficiency. Be careful to avoid immune suppression caused by excessive exercise.

3.mental health: Chronic stress can increase cortisol levels, directly suppressing immune system function. Stress reduction methods such as mindfulness meditation have become a hot topic recently.

5. Special circumstances that require vigilance

If the following situations occur, it is recommended to seek medical examination immediately:

• Pneumonia occurs more than 2 times within a year• Low-grade fever that lasts for more than 1 month
• Recurrent deep organ infections• Family history of immunodeficiency

Recently, with the high incidence of respiratory diseases in winter, hospitals in many places have reported a 30% increase in the number of visits for immunocompromised patients. Experts recommend that key groups should receive influenza vaccination in advance and maintain indoor air circulation.

Immunity is the cornerstone of health. Through scientific understanding and active management, immune function can be effectively improved. If you suspect that you have immunity problems, it is recommended to conduct professional immune indicator testing (such as lymphocyte subpopulation analysis) instead of blindly using health products.

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