Nutrition for Health PDF

NUTRITION FOR HEALTH Nutrition is the study of food and how it affects the health and growth of the body. Nutrients are substances found in foods that our bodies use to grow, reproduce and survive. Proteins are important for growth and development. They also help your body...

NUTRITION FOR HEALTH Nutrition is the study of food and how it affects the health and growth of the body. Nutrients are substances found in foods that our bodies use to grow, reproduce and survive. Proteins are important for growth and development. They also help your body repair tissue, carry oxygen, digest foods, and regulate hormones.  Nutrition is about eating a healthy and balanced diet. Food and drink provide the energy and nutrients you need to be healthy. Understanding these nutrition terms may make it easier for you to make better food choices. Nutrition, including the combination of processes by which the body receives substances necessary for maintenance of its functions and for growth. Nutrition for health: Water Carbohydrates Protein Fats Minerals vitamins a. Water (H2O) Water is an inorganic compound with the chemical formula H₂O. It is a transparent, tasteless, odorless, and nearly colorless chemical substance, and it is the main constituent of Earth's hydrosphere and the fluids of all known living organisms. Nutrients and minerals of water Some of the essential minerals you'll find in drinking water are zinc, sodium, potassium, magnesium, iron, calcium, and bicarbonate. Each one has a distinct list of health benefits Health benefits of water Increases Energy & Relieves Fatigue. Since your brain is mostly water, drinking it helps you think, focus and concentrate better and be more alert.... Promotes Weight Loss.... Flushes Out Toxins.... Improves Skin Complexion.... Maintains Regularity. b. Carbohydrates Carbohydrates provide the body with glucose, which is converted to energy used to support bodily functions and physical activity. Carbohydrates, also known as saccharides or carbs, provide energy for the body. Each gram of carbohydrates provides 4 calories. IMPORTANCE: Foods high in carbohydrates are an important part of a healthy diet. Carbohydrates provide the body with glucose, which is converted to energy used to support bodily functions and physical activity. primary functions of carbohydrates in the human body. They are energy production, energy storage, building macromolecules, sparing protein, and assisting in lipid metabolism. Most important function Carbohydrates, also known as carbs, are vital at every stage of life. They're the body's primary source of energy and the brain's preferred energy source. Carbs are broken down by the body into glucose – a type of sugar. Glucose - is used as fuel by your body's cells, tissues, and organs. Glucose Glucose is the main type of sugar in the blood and is the major source of energy for the body's cells. Glucose comes from the foods we eat or the body can make it from other substances. Glucose is carried to the cells through the bloodstream.. Disadvantage of too much Carbs Too many simple carbs can contribute to weight gain. They can also increase your risk of diabetes, heart disease and high cholesterol. c. Protein Proteins are the building blocks You need protein in your diet to of life. Every cell in the human help your body repair cells and body contains protein. make new ones. The basic structure of protein is Protein is also important for a chain of amino acids. growth and development in children, teens, and pregnant women.  Protein is found throughout the body—in muscle, bone, skin, hair, and virtually every other body part or tissue. It makes up the enzymes that power many chemical reactions and the hemoglobin that carries oxygen in your blood. A molecule made up of amino acids. Proteins are needed for the body to function properly. They are the basis of body structures, such as skin and hair, and of other substances such as enzymes, cytokines, and antibodies.  HEALTH BENEFITS, SIDE EFFECTS & DANGERS This can cause problems such These foods may increase your as bad breath, headache and risk of heart disease. constipation. And they can increase your low- Some high-protein diets allow density lipoprotein (LDL) red meats, processed meats and cholesterol, the “bad” other foods high in saturated fat. cholesterol. D. FATS Fat is a source of essential fatty acids, which the body cannot make itself. Fat helps the body absorb vitamin A, vitamin D and vitamin E. These vitamins are fat-soluble, which means they can only be absorbed with the help of fats. E. MINERALS Minerals are those elements on Those essential for health the earth and in foods that our include calcium, phosphorus, bodies need to develop and potassium, sodium, chloride, function normally. magnesium, iron, zinc, iodine, chromium, copper, fluoride, molybdenum, manganese, and selenium. Role of minerals in Nutrition building strong bones and teeth. Your body uses minerals for many controlling body fluids inside and different jobs, including keeping outside cells. your bones, muscles, heart, and brain working properly. turning the food you eat into energy. Minerals are important for your Minerals are also important for body to stay healthy. making enzymes and hormones. SOURCES OF MINERALS  LACK OF MINERALS in NUTRITION An increased need for the mineral, lack of the mineral in the diet, or difficulty absorbing the mineral from food are some of the more common reasons. Mineral deficiencies can lead to a variety of health problems, such as weak bones, fatigue, or a decreased immune system. VITAMINS A nutrient that the body needs in small amounts to function and stay healthy. Sources of vitamins are plant and animal food products and dietary supplements. FUNCTION OF VITAMINS in our body Vitamins and minerals are essential for bodily functions such as helping to fight infection, wound healing, making our bones strong and regulating hormones. Vitamins and minerals can cause toxicity if consumed in large amounts. boosting the immune system. helping prevent or delay certain cancers, such as prostate cancer. strengthening teeth and bones. aiding calcium absorption. maintaining healthy skin. helping the body metabolize proteins and carbs. Sources of Vitamins Lacking of vitamins in nutrition Vitamin deficiency can cause a number of symptoms, including fatigue, dry skin and hair, depression, poor wound healing, and more. While they can vary between deficiencies, many of them overlap. Usually, noticeable effects don't begin to develop until you've had low levels for several months.