Chapter Notes

Nutrition, Health and Hygiene

Introduction

Everyone desires a good quality of life and a sense of well-being. The Universal Declaration of Human Rights (1948) states that everyone has a right to a standard of living that ensures health and well-being, which includes access to food. However, our environment and lifestyles often have harmful effects on our health.

The World Health Organisation (WHO) defines health as "a state of complete mental, physical and social well-being and not merely the absence of disease." A disease is an impairment of body health or a disruption in the normal function of a body part. Health is considered a fundamental human right for all people, regardless of age, gender, caste, religion, or nationality.

Health and its Dimensions

Health professionals aim to promote good health, which means maintaining wellness and a high quality of life. The definition of health includes three key dimensions: social, mental, and physical.

• Social Health: This refers to the well-being of both individuals and the society they live in.

  • For society: It means equal opportunity and access to essential goods and services for all citizens.
  • For individuals: It refers to how well a person gets along with others and social institutions. This includes social skills and the ability to function as a member of society.
  • Social support from friends, family, and the community helps us cope with stress and problems. Studies show that socially well-adjusted people tend to live longer and recover faster from illness.
  • Social determinants of health include: Employment status, workplace safety, access to health services, cultural beliefs, and socio-economic conditions.

• Mental Health: This refers to emotional and psychological well-being. A person with positive mental health:

  • Feels capable and competent.
  • Can handle normal levels of daily stress.
  • Has satisfying relationships and can lead an independent life.
  • Can cope with and recover from emotional stress.
  • Does not feel defeated or depressed for long periods over small problems.

• Physical Health: This dimension covers physical fitness and the proper functioning of the body. A physically healthy person can perform normal activities without unusual fatigue and has adequate resistance to infection and disease.

Health Care

While individuals are responsible for their own health, it is also a major public concern. Governments provide health services because good health is the foundation for a good quality of life and is key to a nation's social and economic development.

Health care includes all services provided to individuals or communities to promote, maintain, monitor, or restore health. It consists of preventive, promotive, and therapeutic care, delivered at three levels:

1. Primary Health Care: The first point of contact for individuals with the health care system.
2. Secondary Health Care: When patients are referred from primary care to more specialised facilities, like district hospitals.
3. Tertiary Health Care: When patients are referred from primary and secondary levels for specialised intensive care, advanced diagnostics, and serious medical treatment.

Indicators of Health

Since health is multidimensional, it is assessed using several indicators. These include rates of mortality (death), morbidity (illness), disability, nutritional status, and access to health care.

Nutrition and Health

Nutrition and health are deeply interconnected. Good nutrition is a "fundamental pillar" of human life, health, and development.

• How Nutrition Supports Health: Good nutrition helps maintain body organs, supports growth, enables a person to resist infection, provides energy, and prevents fatigue. For children and adolescents, it is vital for growth and mental development.
• How Health Affects Nutrition: A person's health status determines their nutrient needs. During illness, the body's need for nutrients increases, and nutrient breakdown is higher. Illness can therefore negatively affect nutritional status.

Nutrients

Food contains over 50 different nutrients, which are broadly classified based on the amount the body needs:

• Macronutrients: Required in larger amounts. These include fat, protein, carbohydrate, and fibre.
• Micronutrients: Required in small quantities. These include minerals (like iron and zinc) and vitamins. They often act as co-factors in metabolic reactions.

Nutrient requirements vary based on age, sex, physiological state (like pregnancy or adolescence), and level of physical activity. A balanced diet provides all necessary nutrients in the required amounts.

Many factors influence our food choices, including:

• Purchasing power (economic factors)
• Environment (access to water for farming)
• National policies
• Culture, religion, social status, and personal beliefs

Malnutrition

Malnutrition is any deviation from a normal state of nutrition. It occurs when nutrient intake is either less than or in excess of the body's requirements.

• Undernutrition: Caused by inadequate intake of nutrients.
• Overnutrition: Caused by excessive intake of nutrients.

For adolescents, wrong food choices can be a significant cause of malnutrition.

Factors Affecting Nutritional Well-being

The WHO identifies four key factors for nutritional well-being:

1. Food and Nutrient Security: Every person has access to adequate food and nutrients throughout the year to lead a healthy life.
2. Care for those who are Vulnerable: Individuals who are vulnerable, such as babies, expectant mothers, and sick people, receive the loving care, attention, and support they need, including proper food and medication.
3. Health for All: This includes preventing and curing diseases. Special attention is needed for infectious diseases like diarrhoea and measles, which can deplete the body of nutrients.
4. Safe Environment: This includes access to safe drinking water, hygienic food, and prevention of environmental pollution.

Nutritional Problems and Their Consequences

India faces significant nutritional problems, including both undernutrition and overnutrition, a situation termed the "double burden of malnutrition."

• Undernutrition: This is a major problem, seen in the high number of undernourished pregnant women, low birth weight babies, and stunted children.

  • Consequences: Reduced body weight, impaired cognitive development in children, weakened immunity, and disabilities like blindness (from Vitamin A deficiency) or mental retardation (from iodine deficiency).
  • Iron Deficiency: Impairs cognitive development, reduces physical activity, and in pregnancy, affects fetal growth and increases risks for the mother.

• Overnutrition: Excess intake of nutrients can lead to toxicity, being overweight, or obesity.

  • Consequences: Obesity increases the risk of diseases like diabetes, heart disease, and hypertension.
  • According to the National Family Health Survey (NFHS-4), overnutrition is a growing problem, particularly in urban areas.

Nutrition and Infection

Nutritional status and infection are closely linked in a vicious cycle.

• Poor nutrition weakens the immune system, increasing the risk of infection.
• During an infection, the body loses nutrients (e.g., through vomiting or diarrhoea) and its nutrient requirements increase.
• Loss of appetite during illness can lead to insufficient nutrient intake, which worsens nutritional status and increases the risk of another infection.

Hygiene and Sanitation

Preventing and controlling disease requires addressing both intrinsic (host-related) and extrinsic (environmental) factors. Key among these are sanitation, hygiene, and nutrition.

Hygiene has two main aspects:

1. Personal Hygiene: Involves practices related to the body, clothing, and personal habits.
2. Environmental Hygiene: Concerns external factors at home and in the community, such as safe water, air, housing, and disposal of waste.

Poor hygiene can lead to infections and infestations, such as worms. A safe environment, especially access to clean drinking water and proper disposal of feces, is crucial for preventing diseases like diarrhoea and worm infestations.

Food Hygiene

Food-borne illnesses occur when we eat food contaminated with disease-causing microorganisms. For an illness to occur, the pathogen or its toxin must be present in the food in sufficient quantity.

Common illnesses caused by poor food hygiene include diarrhoea, dysentery, typhoid, cholera, and gastroenteritis.

Poor food handling practices that lead to illness:

• Using spoiled or unsafe food items.
• Improper storage that allows microorganisms to multiply.
• Not controlling insects and vermin.
• Using contaminated utensils and equipment.
• Inadequate cooking or reheating of food.
• Storing cooked food at temperatures (4°C to 60°C) that favour microbial growth.
• Cross-contamination between raw and cooked foods.
• Leaving food uncovered.
• Poor personal hygiene of food handlers (e.g., not washing hands).

Resource Availability and Management

Resources are assets like money, time, space, and energy that help us achieve our goals. These resources are limited and not equally available to everyone. Therefore, managing them properly is essential to avoid waste and successfully reach our goals. This section focuses on the management of time and space.

Time Management

Time is a limited and irreversible resource. We all get 24 hours a day, and how we use that time is key. Once passed, time cannot be regained.

In today's fast-paced world, managing time has become very important to balance our responsibilities at home, school, and work. People who master time management skills are often high achievers.

Effective time management starts with planning. A time plan is an advance schedule of activities to be performed in a specific period.

Steps in a time and activity plan

1. Start quickly: Don't waste time delaying a task.
2. Get into a routine: Accomplish certain tasks at the same time every day.
3. Prioritise your tasks: Complete compulsory activities before optional ones.
4. Learn to say 'No': Don't commit to unimportant tasks if you have limited time.
5. Divide big tasks: Break down large projects into smaller, manageable activities.
6. Don't waste energy: Avoid spending too much time on tasks that don't need much attention.
7. Focus on one task at a time: Deal with a task until it is complete.
8. Schedule 'start' and 'stop' times: Allocate appropriate time for each activity.
9. Make a schedule: A proper schedule for the day helps manage time effectively and should always include leisure time.

Tips for effective time management

• "To Do" List: A simple list helps you identify activities, why you're doing them, and a timeline for completion.
• Daily/Weekly Planner: Helps schedule tasks on an hourly basis throughout the week.
• Long Term Planner: A monthly chart helps you plan ahead and serves as a reminder for future tasks.

Tools in time management

• Peak load period: This is the time of day when you have the maximum amount of work. [!example] For many households, the early morning (getting ready for school/work) and evening (dinner time) are peak load periods.
• Work Curve: This tool traces your work efficiency over time. It shows a "warming up" period, a "plateau" of maximum ability, and finally a fall due to fatigue.
• Rest periods/break periods: These are unproductive interruptions that are crucial for maintaining efficiency. Breaks should not be too long or too short.
• Work simplification: This is the conscious effort to find the simplest, easiest, and quickest way to do a job. It aims to accomplish more work with less time and energy. There are three levels of change for simplifying work:
  1. Change in hand and body motions: Completing tasks with less effort by eliminating steps, improving the sequence of work, developing skills, and using good posture.
  2. Change in work, storage space, and equipment: This involves organising storage, rearranging equipment for easy access, and using labour-saving devices like pressure cookers or washing machines.
  3. Change in the end product: This can involve using different raw materials (like readymade spices) or making a simpler final product (like lauki paranthas instead of kofta curry).

Space Management

Space management involves planning, organising, and utilising space to achieve both functionality and aesthetic appeal. A well-managed space feels comfortable and attractive, while a poorly managed one can feel cramped and cluttered.

Space and the home

Homes contain specific areas for activities like sitting, sleeping, cooking, and bathing. These spaces need to be planned for optimal use.

Principles of space planning

1. Aspect: The arrangement of doors and windows to let in sunshine, breeze, and provide nice views.
2. Prospect: The overall impression a house makes from the outside. It involves creating a pleasing appearance.
3. Privacy: This is crucial and has two forms:
   • Internal privacy: Privacy between rooms, achieved through careful planning of doors and corridors.
   • External privacy: Privacy from neighbouring buildings and public streets.
4. Grouping: Placing rooms in a logical way relative to each other. For example, the dining area should be close to the kitchen.
5. Roominess: Creating a feeling of spaciousness. This can be achieved with built-in storage, light colours, and smart furniture arrangement. Rectangular rooms often feel more spacious than square ones.
6. Furniture requirements: Planning rooms with furniture placement in mind, ensuring there is enough space for free circulation.
7. Sanitation: This includes providing:
   • Light: Both natural and artificial light are needed for illumination and hygiene.
   • Ventilation: A good supply of outside air, achieved by placing windows and doors to allow for breezes.
   • Cleanliness: Planning for easy cleaning and providing sanitary conveniences like bathrooms.
8. Circulation: Ensuring easy movement from room to room, which also enhances privacy.
9. Practical Considerations: Planning for the strength and stability of the structure, comfort for the family, and potential for future expansion.
10. Elegance: The overall aesthetic appeal produced by the layout of the plan.

Textile Traditions in India

Introduction

India has a rich and ancient heritage of textiles. While fabrics decay more quickly than stone or metal, archaeological evidence like clothed figures on sculptures, as well as references in ancient literature, show that humans knew how to make cloth 20,000 years ago. People in ancient civilizations developed unique techniques and designs based on the raw materials available to them.

Historical Perspective in India

The art of making sophisticated textiles in India is as old as its civilization.

• Ancient texts like the Rig Veda and the Upanishads describe the universe as a "fabric woven by the Gods."
• Excavations at Mohenjo-Daro have revealed cloth fragments, terracotta spindles, and bronze needles, proving that cotton spinning, weaving, dyeing, and embroidery are at least 5,000 years old in India.
• India was the first ancient civilization to perfect the technique of applying color to textiles, especially cotton. Indian dyed and printed fabrics were famous for their colorfastness and were exported widely.

From the 15th century onwards, India was the world's greatest exporter of textiles, which led European nations to establish East India Companies to control this valuable trade.

The Three Main Fibres

Traditionally, Indian fabric production is associated with three natural fibres: cotton, silk, and wool.

Cotton

India is the home of cotton. Indian weavers produced cotton fabrics of extreme fineness.

• The finest fabric was Mulmul Khas or royal muslin from Dacca (now in Bangladesh), which was so fine it had poetic names like baft-hava (woven air) and shabnam (evening dew).
• Jamdani, a figured muslin from Bengal, is a fine example of a cotton brocade. A brocade is a fabric where design yarns (like silk or metallic threads) are woven in between the regular warp and weft yarns.
• India's greatest textile achievement was creating patterns on cotton with brilliant, fast dyes. Until the 17th century, only Indians had mastered the complex chemistry of cotton dyeing. Indian Chintz (printed and painted cotton) revolutionized European fashion.

Silk

Silk weaving in India is mentioned as early as the 3rd century BC. Silk weaving centers developed around royal capitals, holy cities, and trade routes.

• Varanasi (Uttar Pradesh): Known for its magnificent brocade or kinkhwab. The name kinkhwab means "golden dream," reflecting its splendour and high cost.
• West Bengal: Famous for the Baluchar Butedar, a silk brocaded sari. Its most unique feature is the pallav (end piece), which depicts scenes from epics, royal courts, or daily life.
• Gujarat: Known for Ashavali sarees, which have beautiful brocade borders and a rich metallic background, giving the fabric an enamelled look.
• Kanchipuram (Tamil Nadu): A famous South Indian brocade center, known for sarees with bird and animal motifs and rich brocaded pallavs.
• Paithan (Maharashtra): Famous for a special silk saree made with a tapestry weave, an ancient technique using discontinuous weft yarns to create multi-coloured patterns that look the same on both sides of the fabric.

Wool

Wool production is associated with colder regions like Kashmir, Himachal Pradesh, and Rajasthan.

• The finest shawls from Kashmir were made from pashmina and shahtus, the hair of mountain goats. The Mughal emperors promoted this art, making Kashmiri shawls world-famous. The designs often feature the paisley (mango) motif.
• Emperor Akbar is said to have introduced Jamawar shawls, which were large and intricately designed, suitable for making garments.
• Himachal Pradesh, especially the Kullu valley, is known for shawls with angular geometrical motifs.

Dyeing

Before the mid-19th century, all dyes came from natural sources like plants, insects, and minerals. Indians had a deep knowledge of dye chemistry, producing fabrics renowned for their fast colors.

Resist dyed fabrics

Resist dyeing is an ancient technique where parts of the material are prevented from absorbing dye to create a pattern.

• Fabric Tie and Dye: The fabric is tied tightly with thread in certain areas before being dyed. The tied parts resist the dye and retain the original color. This process can be repeated with different colors.
  • Bandhani, chunari, and laheria are famous styles from Gujarat and Rajasthan.
• Yarn Tie and Dye (Ikat): In this complex process, the warp yarns, weft yarns, or both are tie-dyed before weaving. When woven, the dyed sections of the yarn form a pattern.
  • Single Ikat: Only warp or weft is tie-dyed.
  • Double Ikat: Both warp and weft are tie-dyed to create a unified pattern.
  • Patola of Gujarat is the most famous double Ikat silk sari.
  • Bandha is the Ikat tradition of Orissa.
  • Telia Rumals are cotton Ikat fabrics from Andhra Pradesh.

Embroidery

Embroidery is the art of decorating fabric with threads using a needle. In India, embroidery has been practiced for centuries across all social levels and on all kinds of fabrics.

• Phulkari: The "flower work" of Punjab. This domestic craft is done on coarse cotton (khaddar) with untwisted silk floss (pat). In a bagh (garden), the embroidery is so dense it completely covers the base fabric.
• Kasuti: A subtle embroidery from Karnataka, where the stitches follow the weave of the fabric. The designs are often inspired by local temple architecture.
• Kantha: The quilting embroidery of Bengal, done with small running stitches on layers of old cotton sarees. The threads were traditionally pulled from the borders of old sarees.
• Kashida: The general term for embroidery in Kashmir. It is done on woollen fabrics. Suzani is a flat stitch embroidery, while zalakdozi is a chain stitch done with a hook called an ari.
• Chikankari: The famous embroidery of Uttar Pradesh, centered in Lucknow. Traditionally done with white thread on white fabric, it creates effects like shadow work and raised, knotted stitches.
• Gujarat Embroidery: Known for its rich tradition among nomadic tribes, using bright colors and incorporating mirrors. Appliqué (patchwork) and Bead work are also important crafts here.
• Chamba Rumals: From Himachal Pradesh, these embroidered squares depict mythological scenes, often looking identical on both sides of the fabric.

Conclusion

India's textile traditions are incredibly rich and diverse, shaped by centuries of migrations, invasions, and cultural synthesis. Many production centers continue to be important for both religious/social ceremonies and contemporary fashion. Today, there is a growing effort by government and non-government organizations to preserve, revive, and adapt these age-old crafts for modern use, shifting from customized products to mass production while keeping the traditions alive.