NURS1003 Professional Notes
Understanding Nutrition
Definition of Nutrition: Nutrition refers to what a person eats and how the body utilizes those foods.
Components of a Balanced Intake: A balanced diet consists of:
- Water
- Carbohydrates
- Proteins
- Fats
- Vitamins
- Minerals
Factors Affecting Nutrition:
- Gender
- Food preferences
- Ethnicity and culture
- Religion
- Lifestyle factors (sedentary lifestyle, exercise)
- Medications
- Literacy
- Alcohol consumption
- Influence of advertising
- Living arrangements
Nutritional Needs Across Life Stages
Pregnancy: A poor diet can elevate risks of:
- Birth defects
- Pregnancy complications
Infants: Rapid growth leads to an increased need for:
- Water
- Energy
- Nutrients
Children and Adolescents: At high risk of nutrient deficiencies due to:
- Poor eating habits
Older Adults: Require a nutrient-dense diet due to potential health issues such as:
- Heart disease
- Diabetes
- Hypertension
Australian Guide to Healthy Eating
Daily Recommendations:
- Enjoy a variety of nutritious foods from the five food groups:
- Grain (cereal) foods (mostly whole grain)
- Vegetables and legumes/beans
- Lean meats, poultry, fish, eggs, tofu, nuts, and seeds
- Fruits
- Milk, yogurt, cheese, or alternatives (mostly reduced fat)
- Drink plenty of water.
Aim for a Healthy Weight: Use the BMI chart for adults to assess weight categories:
- Obese: BMI ≥ 30
- Overweight: BMI ≥ 25
- Healthy Weight: BMI 18.5 - 24.9
- Underweight: BMI < 18.5
Alcohol Intake
- Definition: Alcohol is a depressant drug.
- Health Risks: High consumption can lead to issues such as:
- Cardiovascular disease
- Liver cirrhosis
- Cancer
- Guidelines: Avoid more than 2 standard drinks on any day.
Diabetes Overview
- Types of Diabetes:
- Type 1 Diabetes:
- Autoimmune condition affecting insulin production in the pancreas.
- Symptoms: Excessive thirst, frequent urination, weight loss, fatigue, blurred vision.
- Management: Insulin injections or insulin pump.
- Type 2 Diabetes:
- Progressive condition where the body becomes resistant to insulin.
- Risk factors: Lifestyle, genetics, age (most common in adults over 45 but rising in younger populations).
- Management: Lifestyle changes (diet and exercise), medications as needed.
- Gestational Diabetes:
- Occurs during pregnancy, typically between 24-28 weeks.
- Testing is recommended for all pregnant women and may require monitoring post-delivery.
Glucose Monitoring
- Intermittent Testing: Testing glucose levels before meals and pre-insulin.
- Continuous Glucose Monitoring (CGM): Measures glucose levels continuously, offering insight into trends throughout the day and night. Normal range is 4.0mmol/L to 8.0mmol/L.