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Writer's pictureShaun Newton

Understanding Fats


When it comes to nutrition, fats have often been misunderstood and unfairly demonised. However, not all fats are created equal. In fact, dietary fats play a crucial role in maintaining good health and are an essential part of a balanced diet. Understanding the different types of dietary fats and their impact on our health is key to making informed choices about the foods we consume.

 

Types of Dietary Fats:

 

1. Saturated Fats:

Saturated fats are typically solid at room temperature and are commonly found in animal products such as meat and dairy, as well as in some plant-based oils like coconut oil and palm oil. While these fats have been linked to an increased risk of heart disease when consumed in excess, they also play important roles in the body, such as providing structure to cell membranes and serving as a source of energy.

 

2. Trans Fats:

Trans fats are primarily created through a process called hydrogenation, which turns liquid oils into solid fats. These fats are often found in processed and fried foods, baked goods, and margarine. Trans fats are known to raise bad cholesterol levels (LDL) while lowering good cholesterol levels (HDL), making them particularly harmful to heart health.

 

3. Monounsaturated Fats:

Monounsaturated fats are liquid at room temperature and can be found in olive oil, avocados, nuts, and seeds. These fats are considered heart-healthy and have been associated with a reduced risk of heart disease. They can also help to improve insulin sensitivity and regulate blood sugar levels.

 

4. Polyunsaturated Fats:

Polyunsaturated fats are also liquid at room temperature and include omega-3 and omega-6 fatty acids. Sources of polyunsaturated fats include fatty fish (such as salmon and mackerel), flaxseeds, chia seeds, and walnuts. These fats are essential for brain function, cell growth, and reducing inflammation in the body.

 

Benefits of Good Fats:

 

Consuming healthy fats as part of a balanced diet offers several benefits to our overall health:

 

- Heart Health: Good fats can help reduce the risk of heart disease by lowering bad cholesterol levels and improving overall cholesterol profiles.

 

- Brain Function: Essential fatty acids, such as omega-3s, are crucial for brain development and cognitive function. They may also play a role in reducing the risk of age-related cognitive decline.

 

- Weight Management: Including healthy fats in your diet can help you feel fuller for longer, reducing the likelihood of overeating and promoting healthy weight management.

 

Examples of Good and Bad Fats:

 

Good Fats:

- Olive oil: Rich in monounsaturated fats, which are beneficial for heart health.

- Avocado: Contains monounsaturated fats and is a good source of fibre and various vitamins and minerals.

- Salmon: Packed with omega-3 fatty acids, which have anti-inflammatory properties and support heart health.

 

Bad Fats:

- Processed Foods: Often contain unhealthy trans fats and excessive amounts of saturated fats, contributing to heart disease and other health issues.

- Margarine: Typically high in trans fats, which have been linked to an increased risk of heart disease and other health problems.

- Fried Foods: Often made with unhealthy oils high in trans fats and saturated fats, contributing to poor heart health and weight gain.

 

In conclusion, it's important to recognise that not all fats are detrimental to our health. By choosing the right types.

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