P1 explain the concepts associated with nutritional health

Topics: Nutrition, Obesity, Health Pages: 2 (1414 words) Published: November 4, 2014

P1- Explain the concepts associated with nutritional health Food is defined as any nutritional substance that humans or animals eat or drink in order to maintain healthy life and growth. There are many different types of food and drink that both animals and humans consume. The food we eat determines the lifestyle we have. A diet is not just something humans go on to lose weight. A diet is the food a drink that a human or animal usually eats. There are many different types of diets that people use in order to achieve something, such as weight loss or weight gain. Nutrients are found in food and drink and are a substance that provides the nourishment which is needed to maintain a healthy lifestyle and healthy growth. Lack of nutrients can cause many deficiencies such as malnutrition. A deficiency is a lack or shortage of something. For example, the deficiency malnutrition is a lack of nutrients and vitamins in someone’s body. Obesity is a word used to describe someone who is very overweight and has a high percentage of body fat. Obesity is caused by eating over your daily allowance of calories and not doing any exercise. Obesity is a very serious condition and can lead to very serious issues such as a heart attack, heart failure and type 2 diabetes. A BMI (body mass index) is a measurement that most people use to calculate if their weight is healthy for their height. BMI can be calculated by dividing your weight in kilograms by your height in metres squared. By doing this calculation, you would be left with a number. If this number is below 18.5 you would be classed as underweight, anything between 18.5 and 25 is classed as a healthy weight, between 25 and 29.2 fits the criteria for overweight and anything above 30 is classed as obese. For example, if someone was to weigh 50 kilograms and was a height of 1.7 metres, they would be underweight. This is because 50 divided by 1.7 squared equals to a BMI of 17.3. This number fits the criteria of being...
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