The boy felt lonely after changing schools and had no friends. He used his phone more, felt worse and developed headaches, weight loss and sleep problems. Loneliness and screen time caused his health issues. Class 8 NCERT Science Curiosity Chapter 3 ...
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Smallpox was stopped using the smallpox vaccine discovered by Edward Jenner. Vaccination protected people and stopped the virus from spreading. Yes, everyone should get vaccinated to protect themselves and others from deadly diseases. Class 8 Science Curiosity Textbook Chapter 3 Health ...
First, check if the person is breathing. Call for help. Begin CPR by giving 30 chest compressions, followed by 2 rescue breaths. Continue this cycle until medical help arrives or the person recovers. Class 8 Science Curiosity Grade 8 Chapter 3 ...
These Indian scientists made great contributions in medicine and health. They worked on cancer treatment, antibiotics, HIV awareness and women’s health. Their research helped improve healthcare and inspired many in science and medicine. Class 8 Science Curiosity Textbook Chapter 3 Health ...
The body remembers the pathogen from the first attack and creates special memory cells. When the same germ attacks again, the immune system responds quickly and strongly, protecting the body more effectively. Class 8 Science Curiosity Textbook Chapter 3 Health – ...