1. Diseases are not always caused by infections. Many illnesses are non-communicable and result from unhealthy habits, poor diet, lack of exercise, pollution or genetic factors. For example, diabetes, asthma, cancer and deficiency diseases like scurvy or goitre are not caused by germs but by lifestyleRead more

    Diseases are not always caused by infections. Many illnesses are non-communicable and result from unhealthy habits, poor diet, lack of exercise, pollution or genetic factors. For example, diabetes, asthma, cancer and deficiency diseases like scurvy or goitre are not caused by germs but by lifestyle or nutritional issues. So, disease prevention includes not just avoiding infections but also living a healthy, balanced life.

     

    For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/

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  2. Parasites are organisms that depend on another living being, called the host, for food and survival. They live either inside the body or on the surface. Parasites harm the host by stealing nutrients and sometimes causing serious diseases. Examples are tapeworms in the intestine, lice on the scalp anRead more

    Parasites are organisms that depend on another living being, called the host, for food and survival. They live either inside the body or on the surface. Parasites harm the host by stealing nutrients and sometimes causing serious diseases. Examples are tapeworms in the intestine, lice on the scalp and protozoa causing malaria. Parasites spread through contaminated food, water or contact and can be prevented by maintaining hygiene and good sanitation.

     

    For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/

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  3. While iodine is important for proper thyroid function, taking too much can lead to health problems. It may cause hyperthyroidism (overactive thyroid), swelling in the neck, weight changes, irregular heartbeat and even headaches. Our body needs iodine in the right amount. Excess can disturb hormonalRead more

    While iodine is important for proper thyroid function, taking too much can lead to health problems. It may cause hyperthyroidism (overactive thyroid), swelling in the neck, weight changes, irregular heartbeat and even headaches. Our body needs iodine in the right amount. Excess can disturb hormonal balance and damage health. It’s best to get iodine from a balanced diet and avoid taking supplements without a doctor’s advice.

     

    For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/

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  4. Deficiency diseases are caused by the lack of specific nutrients in the diet. If our body doesn’t get enough vitamins or minerals, it becomes weak and prone to illnesses. For example, lack of iron causes anaemia, lack of iodine causes goitre and lack of vitamin D leads to weak bones. These diseasesRead more

    Deficiency diseases are caused by the lack of specific nutrients in the diet. If our body doesn’t get enough vitamins or minerals, it becomes weak and prone to illnesses. For example, lack of iron causes anaemia, lack of iodine causes goitre and lack of vitamin D leads to weak bones. These diseases are preventable through a balanced diet that includes fruits, vegetables, grains and dairy products to meet all nutritional needs.

     

    For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/

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  5. Chronic diseases are long-term illnesses that don’t go away quickly and may last for years or even a lifetime. These include diabetes, asthma, heart disease and high blood pressure. They often need daily medication, regular checkups and lifestyle changes to manage symptoms. Though not always curableRead more

    Chronic diseases are long-term illnesses that don’t go away quickly and may last for years or even a lifetime. These include diabetes, asthma, heart disease and high blood pressure. They often need daily medication, regular checkups and lifestyle changes to manage symptoms. Though not always curable, they can be controlled with a healthy diet, exercise and care. Awareness and early diagnosis help in reducing their long-term impact.

     

    For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/

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