Lesson Notes By Weeks and Term v4 - SHS 3
Nutrition and Diet in Health
Download the Lessonotes Mobile Ghana app for faster lesson access on Android and iPhone.
Nutrition and Diet in Health
Download the Lessonotes Mobile Ghana app for faster lesson access on Android and iPhone.
Subject: Physical Education Health Elective
Class: SHS 3
Term: 1st Term
Week: 11
Grade code: 3.1.2.LI.2
Strand code: 1
Sub-strand code: 2
Content standard code: 3.1.2.CS.1
Indicator code: 3.1.2.LI.2
Theme: Health Education
Subtheme: Nutrition and Diet in Health
This page supports the lesson note with a companion video and a short classroom-ready summary.
For class groups and homework, share this lesson page so learners also get the summary, objectives, and full lesson context.
Good day, students. We all know that feeling of trying to listen in class when our stomachs are rumbling. It's nearly impossible to focus. Today, we are going to explore this common experience more scientifically. We will investigate the direct link between what we eat—our nutrition—and how well our brains work, especially in a school setting. We will use a major national policy, the Ghana School Feeding Programme (GSFP), as our primary case study to understand how providing meals to students is intended to improve not just their health, but their grades, attendance, and overall academic success.
This lesson revolves around understanding how food fuels the brain for learning. Let's break down the key ideas. A. What is Nutrition?
Nutrition is the process by which the body takes in and uses food for growth, energy, and repair. The food we eat contains chemical substances called nutrients. These are the "workers" that perform specific jobs in the body. For our topic today, we are most interested in the nutrients that directly support the brain. B. The Brain's Nutritional Needs for Academic Work
The brain is an incredibly active organ. It weighs only about 2% of our body weight but consumes about 20% of our energy! To perform academic tasks like reading, solving mathematics problems, or memorising history facts, the brain needs a constant supply of specific nutrients. Energy for Concentration (Carbohydrates): Concept: The brain's main fuel is glucose, which we get primarily from digesting carbohydrates. Without a steady supply of glucose, the brain cannot function optimally. This leads to poor concentration, sleepiness in class, and mental fatigue. Ghanaian Context: This is why a breakfast of *koko* and *koose*, or a lunch of *kenkey*, *banku*, *yam*, or *gari* is so important. These foods provide the complex carbohydrates that release energy slowly, keeping you focused throughout the school day. Skipping breakfast means you are running your brain on an empty fuel tank. Brain Building and Function (Proteins, Fats, and Micronutrients): Iron: This mineral is crucial for carrying oxygen in the blood. The brain needs a lot of oxygen to work. A lack of iron (anaemia) leads directly to poor memory, short attention span, and overall cognitive impairment. *Ghanaian Sources:* Kontomire, ayoyo, garden eggs, beans, groundnuts, eggs, and meat. Omega-3 Fatty Acids: These are "healthy fats" that are critical components of brain cell membranes. They help in sending signals between brain cells, which is essential for learning and memory. *Ghanaian Sources:* Fish (especially fatty fish like salmon, mackerel - "herrings"), and some nuts and seeds. B Vitamins (B6, B12, Folic Acid): These vitamins help produce the energy the brain needs and are involved in creating neurotransmitters—chemicals that carry messages in the brain. *Ghanaian Sources:* Whole grains, beans, eggs, meat, and green leafy vegetables. Iodine: Essential for the production of thyroid hormones, which are vital for normal brain development, especially in childhood and adolescence. A deficiency can lead to reduced IQ. *Ghanaian Sources:* Iodized salt, seafood. C. The Ghana School Feeding Programme (GSFP) as a Case Study
The GSFP is a social intervention program introduced by the Government of Ghana. It is not just about giving out free food; it is a strategic tool designed to achieve specific educational and social goals. Official Objectives of the GSFP: Increase school enrolment, attendance, and retention: To encourage children, especially from poor households, to come to school and stay there. Reduce short-term hunger and malnutrition: To provide at least one hot, nutritious meal a day to primary school pupils. Boost domestic food production: To create a ready market for local farmers by purchasing foodstuffs from them. Connecting GSFP to Academic Work: The GSFP is the practical application of the nutritional concepts we just discussed. By providing a meal, it ensures learners get the glucose needed for concentration (Objective 2). A well-planned GSFP menu should contain local foods rich in iron, proteins, and vitamins, which directly support brain function and reduce absenteeism due to illness (Objective 2). By alleviating hunger, it allows the learner to focus on the teacher instead of their stomach, directly improving their ability to learn (Objective 1). When children are guaranteed a meal at school, they are more likely to attend regularly, meaning they don't miss lessons (Objective 1). More "seat time" generally leads to better performance.