Topic: Vitamins and Minerals
Question:Discuss on the role of Vitamin C in human body.
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- Antioxidant properties: Vitamin C is a potent antioxidant that helps to protect cells and tissues from damage caused by free radicals. Free radicals are unstable molecules that can cause oxidative stress, which has been linked to chronic diseases such as cancer, heart disease, and aging. Vitamin C can neutralize free radicals and prevent them from damaging DNA, proteins, and lipids in the body.
- Collagen synthesis: Vitamin C plays a crucial role in the synthesis of collagen, a protein that is essential for the structure and function of connective tissues such as skin, bones, cartilage, tendons, and blood vessels. Collagen provides strength and elasticity to these tissues and helps to maintain their integrity. Vitamin C is involved in several steps of collagen synthesis, including the hydroxylation of proline and lysine amino acids, which is necessary for the formation of stable collagen fibers.
- Immune function: Vitamin C is involved in various aspects of immune function, including the production and function of white blood cells, the activation of the complement system, and the regulation of inflammatory responses. It can also enhance the activity of natural killer cells, which are important for fighting viral infections and cancer.
- Iron absorption: Vitamin C enhances the absorption of non-heme iron from plant-based foods, which is important for preventing iron-deficiency anemia. Non-heme iron is less readily absorbed than heme iron, which is found in animal-based foods. Vitamin C can form a complex with non-heme iron, making it more soluble and available for absorption in the gut.
- Neurotransmitter production: Vitamin C is involved in the synthesis of several neurotransmitters, including serotonin and norepinephrine. These neurotransmitters play important roles in regulating mood, appetite, sleep, and other physiological processes. Vitamin C is also involved in the production of dopamine, which is important for motor control and reward-related behaviors.
- Deficiency: Vitamin C deficiency can lead to a condition called scurvy, which is characterized by symptoms such as fatigue, weakness, anemia, swollen and bleeding gums, joint pain, and skin problems. Scurvy is rare in developed countries but can occur in people with poor nutrition or certain medical conditions that affect vitamin C absorption.
- Dietary sources: Good dietary sources of vitamin C include citrus fruits (such as oranges, grapefruits, and lemons), strawberries, kiwi, bell peppers, broccoli, Brussels sprouts, and spinach. Vitamin C is also available in supplement form, but it is generally recommended to obtain nutrients from whole foods whenever possible.
Medicivils Medical Science Optional Test Series: Better Than UPSC Medico? Introduction The UPSC Civil Services Examination (CSE) is one of the most competitive exams in the world. The Medical Science optional is a popular choice for many candidates, as it covers a wide range of topics that are relevant to the UPSC syllabus. There are many different test series available for the Medical Science optional, but one of the most popular is the Medicivils test series. Medicivils is a coaching institute that specializes in the Medical Science optional, and their test series is known for its high quality and comprehensive coverage of the syllabus. In this article, we will compare the Medicivils Medical Science Optional Test Series to the UPSC Medico Test Series, and discuss why Medicivils is the better choice for UPSC CSE aspirants. Quality of Questions The quality of the questions in the Medicivils test series is very high. The questions are well-drafted and cover a wide range of topics from the syllabus. The questions are also challenging enough to test the candidates’ knowledge and understanding of the subject. The UPSC Medico test series, on the other hand, has been criticized for the quality of its questions. Some candidates have complained that the questions are too repetitive and do not adequately cover the syllabus. Comprehensiveness The Medicivils test series covers the entire Medical Science syllabus in great detail. The test series includes full-length tests, subject-wise tests, and topic-wise tests. This ensures that the candidates are thoroughly prepared for all aspects of the exam. The UPSC Medico test series, on the other hand, is not as comprehensive. The test series does not cover all of the topics in the syllabus in equal detail. Additionally, the test series does not include any topic-wise tests. Model Answer Sheets The Medicivils test series provides high-quality model answer sheets for all of its tests. The model answer sheets are written by experienced faculty members and provide detailed explanations for all of the questions. The UPSC Medico test series, on the other hand, does not provide model answer sheets for all of its tests. Even for the tests that do have model answer sheets, the quality is often not up to par. Personal Mentorship Medicivils offers personal mentorship to all of its students. The students can get their papers evaluated by experienced faculty members and receive personalized feedback. This helps the students to identify their strengths and weaknesses and to improve their performance. The UPSC Medico test series does not offer personal mentorship to its students. The students do not have the opportunity to get their papers evaluated by experienced faculty members and receive personalized feedback. Video Solutions Medicivils provides video solutions for all of its subject-wise tests. The video solutions are taught by experienced faculty members and provide detailed explanations for all of the questions. The UPSC Medico test series does not provide video solutions for its tests. Evaluation Medicivils evaluates the students’ papers within 7 days. The students’ papers are evaluated by experienced faculty members and they receive a detailed evaluation report. The UPSC Medico test series takes longer to evaluate the students’ papers. The students often have to wait for 10-15 days to receive their evaluation reports. Conclusion Overall, the Medicivils Medical Science Optional Test Series is the better choice for UPSC CSE aspirants. The Medicivils test series offers high-quality questions, comprehensive coverage of the syllabus, model answer sheets, personal mentorship, video solutions, and prompt evaluation. The UPSC Medico test series, on the other hand, has been criticized for the quality of its questions, lack of comprehensive coverage of the syllabus, lack of model answer sheets, lack of personal mentorship, lack of video solutions, and delayed evaluation. If you are serious about cracking the UPSC CSE with the Medical Science optional, then the Medicivils Medical Science Optional Test Series is the best choice for you.
