HUMAN HEALTH AND DISEASES in 1 Shot: All Concepts, Tricks & PYQs | NEET Crash Course | Ummeed
Competition Wallah・2 minutes read
The text discusses the importance of maintaining good health through balanced lifestyle choices, including diet and exercise, while exploring various infectious and non-infectious diseases, symptoms, and treatments. It also delves into topics such as acquired immunity, the role of antibodies, and prevention strategies for diseases like AIDS and cancer, highlighting the significance of proper hygiene, vaccination, and early detection for successful outcomes.
Insights
- Hippocrates and Ayurveda emphasize the importance of mental and physical balance for overall health.
- William Harvey's discovery of blood circulation challenged traditional beliefs about the human body.
- Health encompasses mental, social, and behavioral well-being, not just the absence of disease.
- Factors affecting health include genetic disorders, infectious diseases, and lifestyle choices like diet and exercise.
- Infectious diseases spread through various pathogens like bacteria, viruses, fungi, and protozoa, with AIDS being particularly dangerous.
- Different diseases like typhoid, dengue, malaria, and cancer have distinct symptoms and transmission methods.
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Recent questions
What are the key factors affecting human health?
Factors affecting health include genetic disorders, infectious diseases, and lifestyle choices like diet, sleep, and exercise. Good health requires a balanced diet, personal hygiene, regular exercise, and awareness of diseases and vaccinations.
How do infectious diseases spread?
Infectious diseases spread through bacteria, viruses, fungi, and protozoa, with examples like cancer and deficiency disorders. Pathogens enter the body through various means, causing functional damage and symptoms. Bacterial diseases like typhoid spread through contaminated food and water, affecting the body's systems and showing specific symptoms.
What are the symptoms of dengue and malaria?
Dengue and malaria have distinct symptoms. Dengue can progress to hemorrhagic dengue, characterized by reduced platelets, internal bleeding, red spots, and joint pain. Malaria symptoms include fever, joint pain, and muscle pain, with the parasite reproducing in the liver and RBCs.
How is acquired immunity different from passive immunity?
Acquired immunity is explained as the immunity developed after birth against specific enemies. Active immunity involves the immune system producing antibodies, while passive immunity involves ready-made antibodies. Passive immunity can be natural (e.g., breast milk) or artificial (e.g., anti-tetanus serum).
What are the common types of antibodies and their functions?
Different types of antibodies include immunoglobulin G, A, M, E, and D. IgG crosses the placenta, providing immunity to the fetus. IgA is present in body fluids and secretions. IgE is linked to allergic reactions and helminth infections. Acquired immunity is divided into active and passive immunity.
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