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   When it comes to the word "fat," many people's first reaction is "weight gain," "high in calories," and "need to eat less." However, those who truly understand nutrition know that fat is not entirely useless. In fact, it's a vital substance in our bodies that sustains life. The crux of the matter isn't whether to eat fat, but rather what kind of fat to eat.

Numerous nutritional studies have clearly distinguished between "good fats" and "bad fats," but the most pressing concern is trans fats hidden in processed foods.

Fat is not the enemy; it's the body's "energy reserve."

Fat is one of the body's three main energy sources (carbohydrates, protein, and fat). It not only provides us with long-lasting energy but also performs many important functions:

Maintaining healthy cell membranes

Assisting in the absorption of fat-soluble vitamins (A, D, E, and K)

Participating in the synthesis of hormones and neurotransmitters in the brain

Completely eliminating fat can lead to dry skin, decreased immunity, and impaired memory. Therefore, the key isn't to "abandon fat" but to learn to choose high-quality, good fats.

Good Fats vs. Bad Fats: What's the Difference?

1. Good Fats (Unsaturated Fatty Acids)

Monounsaturated fatty acids, such as those found in olive oil, avocados, and nuts, help improve blood lipids and lower bad cholesterol (LDL).

Polyunsaturated fatty acids, including the well-known Omega-3 (deep-sea fish, flaxseed, and walnuts) and Omega-6 (sunflower oil and corn oil), protect the heart and benefit brain development.

2. Bad Fats (Saturated & Trans Fats)

Excessive intake of saturated fats can increase blood lipids and increase cardiovascular risk. They are commonly found in animal oils, butter, and fatty meats.

Trans fats: The most dangerous type of "artificial fat," they directly raise bad cholesterol and lower good cholesterol, and are widely considered the "invisible killer" of cardiovascular disease.

Why are trans fats so dangerous?

Trans fats are almost nonexistent in nature and are primarily produced through hydrogenation of vegetable oils. They are widely used in industrially processed foods because they are cheap, stable, and resistant to spoilage. However, long-term consumption can be very harmful to the body. Increases the risk of heart disease and stroke.

Impairs blood vessel elasticity, making blood more viscous.

Increases obesity and insulin resistance, leading to type 2 diabetes.

May affect memory and brain health.

The World Health Organization (WHO) has long called for a global phase-out of trans fats.

How to avoid trans fats? Here's a practical guide!

To avoid trans fats, knowing their names isn't enough; you also need to learn how to avoid the pitfalls when choosing food.

1. Check the food ingredient list.

Products that contain "hydrogenated vegetable oil," "partially hydrogenated oil," or "shortening" often contain high levels of trans fat.

Note: Some packaging may claim "0 trans fat," but as long as the content is less than 0.3g per 100g, it can still be labeled as 0. Therefore, even small amounts consumed frequently can easily accumulate.

2. Minimize the following foods:

All types of margarine and non-dairy cream

Donuts, pastries, cakes, cookies

Instant noodles, fried food, potato chips, and other highly processed snacks

The crunchiness of these foods is largely due to trans fats. 3. Learn to Make Substitutions

Replace hydrogenated oils with natural vegetable oils: Use olive oil, canola oil, and peanut oil more often when cooking.

Replace snacks with nuts and avocados: Filling and healthy.

Make your own desserts: Substitute butter and olive oil for margarine.

The Golden Ratio of Daily Fat Intake

Nutritionists recommend:

20%-30% of your daily calories should come from fat.

No more than 10% of this should be saturated fat, and trans fat should be minimized.

Choose more omega-3-rich foods like deep-sea fish, nuts, and flaxseed.

Eat good fats for a more "toned" body.

When you learn to replace bad fats with good ones, positive changes will gradually occur:

More radiant skin

Clearer thinking and improved memory

Reduced cardiovascular stress and a slimmer body.

In summary: Fat isn't the enemy; it's the wrong fats that are the killer.

In our fast-paced modern lives, choosing natural, high-quality fats and avoiding trans fats is the simplest and most effective step we can take for our health. Next time you go to the supermarket, take 30 extra seconds to look at the ingredient list to make your dining table safer and smarter.