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Immunity: short notes. - NEET PDF Download

In biology, Immune is the balanced state of multicellular organisms having adequate biological defenses to fight infection, disease, or other unwanted biological invasion, while having adequate tolerance to avoid allergy, and autoimmune diseases.
Immunity is a state of resistance of an organism to invading biotic or abiotic pathogens and their harmful effects that prevents the development of infection and maintains organism's integrity by counteracing, neutralizing, and clearing pathogens.
Immunity: short notes. - NEETImmunity: short notes. - NEETImmunity: short notes. - NEET
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FAQs on Immunity: short notes. - NEET

1. What is immunity and why is it important for our overall health?
Ans. Immunity refers to the body's ability to defend against harmful pathogens, such as bacteria and viruses. It plays a crucial role in maintaining our overall health by preventing infections and diseases. A strong immune system helps in identifying and destroying foreign invaders, thus keeping us healthy and protected.
2. How can I boost my immunity naturally?
Ans. There are several natural ways to boost immunity. Some of the effective methods include: - Eating a balanced diet rich in fruits, vegetables, whole grains, and lean proteins. - Regular exercise and maintaining a healthy weight. - Getting adequate sleep and managing stress levels. - Avoiding smoking and excessive alcohol consumption. - Maintaining good hygiene practices, such as regular handwashing. - Including immune-boosting foods and supplements, such as vitamin C, vitamin D, and zinc, in your diet.
3. Can certain lifestyle factors weaken our immune system?
Ans. Yes, certain lifestyle factors can weaken the immune system. These include: - Poor diet and lack of essential nutrients. - Chronic stress and lack of sleep. - Sedentary lifestyle and lack of exercise. - Excessive alcohol consumption. - Smoking and exposure to secondhand smoke. - Lack of hygiene practices, such as improper handwashing. By addressing these factors and adopting healthier habits, you can strengthen your immune system.
4. Is it necessary to take immunity-boosting supplements?
Ans. While a balanced diet rich in nutrients can usually provide the necessary immune-boosting components, some individuals may benefit from taking specific supplements. However, it is important to consult with a healthcare professional before starting any new supplements. They can assess your individual needs and recommend appropriate supplements, if required.
5. How long does it take to strengthen the immune system?
Ans. Strengthening the immune system is not an overnight process. It requires consistent effort and adopting a healthy lifestyle. With proper nutrition, regular exercise, adequate sleep, and stress management, you can gradually strengthen your immune system over time. However, the timeline may vary for each individual depending on their current health status and lifestyle choices. It is important to focus on long-term habits rather than expecting immediate results.
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