Non-communicable diseases are caused by poor diet, lack of exercise, pollution, stress or genetics. They do not spread from person to person. Examples include asthma, diabetes, high blood pressure and cancer.
Class 8 NCERT Science Curiosity Chapter 3 Health: The Ultimate Treasure solutions
class 8 science chapter 3 health the ultimate treasure question answer
Non-communicable diseases develop due to lifestyle, environmental factors or inherited genes. Eating unhealthy food, sitting too much, smoking and not exercising can lead to conditions like diabetes, obesity, asthma and heart disease. Pollution and stress also increase risks. These diseases do not spread between people but can last a long time. Regular exercise, healthy diet, avoiding harmful substances and routine health check-ups can prevent or manage these conditions.
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