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  • 10 Mar 2023 GS Paper 3 Science & Technology

    Day 105
    Question 1: What do you understand about the Neglected Tropical Diseases? Suggest a few innovative ways for their treatment. (150 words)

    Question 2: Food fortification is a very promising way to tackle the hidden hunger. How far it is a sustainable way to tackle malnutrition, undernutrition and the problem of overnutrition? (250 words)

    Answer 1


    • Give a brief introduction about neglected tropical diseases.
    • Mention the innovative ways for their treatments.
    • Write an effective and appropriate conclusion.


    • Neglected Tropical Diseases (NTDs) are a group of parasitic and bacterial diseases that affect over one billion people worldwide, primarily in tropical and subtropical regions.
    • These diseases affect the poorest and most marginalized communities and are referred to as "neglected" because they do not receive the same level of attention and resources as other infectious diseases.


    • The World Health Organization (WHO) has identified 20 NTDs, including diseases such as dengue fever, leprosy, river blindness, and sleeping sickness.
    • These diseases are often spread by insects or contaminated water and soil and can cause a range of symptoms from chronic pain and disability to blindness and death.
    • NTDs can have a significant impact on the economic and social development of affected communities, as they can lead to reduced productivity and increased healthcare costs. However, many NTDs are preventable and treatable with existing interventions, making their control and elimination an important public health priority.

    There have been several innovative approaches for the treatment and prevention of Neglected Tropical Diseases (NTDs). Here are a few examples:

    • Community-directed treatment: This approach involves training community health workers to deliver treatments for NTDs directly to affected communities. This helps to overcome barriers such as distance to health facilities and lack of awareness about the diseases and treatments.
    • Mass drug administration: This approach involves treating entire communities with preventive medications to control and eliminate NTDs. It has been successfully used to treat diseases such as lymphatic filariasis and trachoma.
    • Use of mobile technology: Mobile phones and other digital technologies can be used to improve disease surveillance, monitor treatment adherence, and provide health education to communities. For example, mobile apps can be used to collect and transmit data on disease prevalence and treatment outcomes.
    • Development of new drugs and vaccines: There is ongoing research to develop new drugs and vaccines for NTDs. For example, a new drug called Fexinidazole has been developed for the treatment of sleeping sickness, and a vaccine for dengue fever is currently under development.
    • Integration with other health programs: Integrating NTD control and elimination efforts with other health programs such as maternal and child health, malaria control, and HIV/AIDS can help to reduce the burden of these diseases and improve health outcomes in affected communities.


    Neglected Tropical Diseases (NTDs) continue to pose a significant challenge to global health, particularly in tropical and subtropical regions where over one billion people are affected. However, NTDs are preventable and treatable through existing interventions and innovative approaches, such as community-directed treatment, mass drug administration, use of mobile technology, development of new drugs and vaccines, and integration with other health programs. Despite progress made in NTD control and elimination, continued efforts and investment are essential to improve the health and well-being of affected communities and to promote economic and social development.

    Answer 2


    • Give a brief introduction about fortification and hidden hunger.
    • Mention the sustainable way to tackle malnutrition, undernutrition and the problem of overnutrition.
    • Write an effective and holistic conclusion.


    • Hidden hunger, also known as micronutrient deficiency, is a form of malnutrition that occurs when people do not get enough vitamins and minerals in their diet. Unlike other forms of malnutrition, hidden hunger is not characterized by a lack of calories or protein but rather by a lack of essential micronutrients such as iron, zinc, vitamin A, iodine, and folate.
    • Hidden hunger can lead to a range of health problems, including impaired immune function, stunted growth and development, anemia, blindness, and even death. It can also have long-term consequences, such as reduced cognitive function and productivity.


    Here are some ways in which food fortification can be sustainable in addressing malnutrition, undernutrition, and overnutrition:

    • Addressing nutrient deficiencies: Fortifying staple foods like wheat flour, rice, and salt with vitamins and minerals can help address nutrient deficiencies in populations, particularly in low-income countries where access to a varied diet is limited. This can improve overall health and reduce the risk of diseases caused by nutrient deficiencies.
    • Cost-effective: Food fortification is a cost-effective way to improve public health outcomes as it can reach a large population at a relatively low cost. It requires minimal behavior change and infrastructure, making it an easy and sustainable way to tackle malnutrition.
    • Safe and effective: Food fortification is a safe and effective way to increase nutrient intake, particularly for vulnerable populations like pregnant women and children. It has been shown to improve health outcomes and reduce the prevalence of nutrient deficiencies.

    However, there are some limitations to food fortification as a standalone solution:

    • Limited impact on overnutrition: While food fortification can address undernutrition and micronutrient deficiencies, it has limited impact on overnutrition, which is caused by an excess of calories and unhealthy diets.
    • Sustainability: Fortified foods need to be consumed regularly to be effective, and there is a risk that fortification programs may not be sustained over the long term due to changes in government policies or market conditions.
    • Quality control: The success of food fortification programs depends on quality control measures to ensure that the fortified foods contain the right amount of nutrients. Poor quality control can result in either insufficient or excess nutrient levels, leading to adverse health outcomes.
    • In conclusion, food fortification can be a sustainable way to address malnutrition, undernutrition, and micronutrient deficiencies, but it should be combined with other strategies to address the root causes of malnutrition and ensure sustainability.


    Malnutrition is a complex issue that affects millions of people worldwide, with different forms such as undernutrition, hidden hunger, and overnutrition. Addressing these issues requires a sustainable approach that tackles the root causes of malnutrition and promotes a healthy, diverse, and nutrient-rich diet for all.

    This involves promoting social protection programs, improving access to quality healthcare and education, promoting healthy eating habits, and reducing the consumption of unhealthy foods. Collaboration between different sectors and engagement with communities and stakeholders are also crucial for the success of these efforts. By taking a comprehensive approach to addressing malnutrition, we can ensure that everyone has access to the nutrients they need for a healthy and productive life.

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