What Happens When You Don't Drink Enough Water? 10 Hidden Effects on Your Body

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  1. What happens to your blood when you become dehydrated? Blood contains: Red blood cells. White blood cells. Platelets. Plasma, which is mostly water. Proteins, electrolytes, nutrients and other substances. When the body loses too much water, plasma volume can decrease. This can cause hemoconcentration, meaning some substances in the blood appear more concentrated. Possible effects include: Increased blood viscosity under some circumstances. Reduced circulating blood volume. Increased strain on the cardiovascular system. Reduced blood flow to organs in severe dehydration. This is different from having excessive cholesterol or fatty deposits in arteries. NCBI+2 2. Does dehydration increase cholesterol readings? This is where our article can become particularly interesting. A small human study involving 15 healthy participants found that fasting without fluid replacement produced higher measured total cholesterol, LDL cholesterol and HDL cholesterol than fasting with water and sal...

How to Read Food Labels When Trying to Lose Weight

 

Trying to lose weight does not mean you must stop eating your favourite packaged foods. Sometimes, the key is learning how to read the information printed on the package.


How to Verify Food Ad Ingredient Claims Effectively

Food labels can help you compare products, understand what you are eating, and make smarter choices at the supermarket. However, with so many numbers and claims on a package, it can be confusing to know what really matters.

The good news? You only need to focus on a few important details to get started.

1. Check the Serving Size First

One of the most common mistakes people make is looking at the calories without checking the serving size.

A package might contain two or three servings, even if it looks like a single portion. If you eat the entire package, you could consume much more energy than you realise.

For example:

Imagine a packet of crackers contains:

  • Serving size: 30 grams

  • Calories per serving: 140

  • Servings per package: 3

If you eat the whole packet, you consume 420 calories, not 140.

Always check the serving size and ask yourself how much you normally eat. This simple habit can help you avoid unintentionally consuming extra calories.

2. Understand the Calories

Calories measure the energy you get from food. To lose weight, most people need to consume fewer calories than their bodies use over time.

However, this does not mean you should automatically choose the product with the lowest calorie number.

Compare similar products using the same serving size. For example, when choosing breakfast cereal, compare the calories in equal amounts of each product rather than comparing different serving sizes.

Also consider what the food provides. A product with slightly more calories may contain more protein or fibre, helping you feel satisfied for longer.

Remember: Calories matter, but the overall nutritional value of the food matters too.

3. Look for Added Sugars

Sugar is not always obvious. It may appear in breakfast cereals, flavoured yoghurt, sauces, biscuits, sweetened drinks and even foods marketed as healthy.

Look at the added sugars information when it is available. Added sugars are sugars incorporated during food processing or preparation, rather than sugars naturally present in foods such as whole fruit and plain milk.

For reference, the American Heart Association recommends limiting added sugars to no more than 36 grams per day for most men and 25 grams per day for most women. These are general recommendations, not individual medical targets.

When comparing two similar products, choosing the one with less added sugar can be a useful step.

Be careful with claims such as “natural,” “light” or “healthy.” These words do not automatically mean a product contains little sugar or few calories.

4. Choose Foods with More Fibre

Fibre is important for digestive health and can help you feel fuller after eating. Foods rich in fibre may make it easier to manage hunger while reducing your overall calorie intake.

Good sources include whole grains, beans, lentils, vegetables, fruit, nuts and seeds.

When buying packaged foods such as bread, breakfast cereal or crackers, compare their fibre content per serving.

For example:

  • Product A: 1 gram of fibre per serving

  • Product B: 4 grams of fibre per serving

If both products have similar calories and other nutritional qualities, Product B may be the more satisfying choice.

Look beyond the words “whole grain” on the front of the package. Check the ingredient list and nutrition panel to see what the product actually contains.

5. Pay Attention to Protein

Protein helps maintain muscle, supports the body's normal functions and can contribute to feeling full after a meal.

This is particularly important when losing weight because you want to reduce excess body fat while preserving as much muscle as possible.

Packaged foods that provide protein include plain yoghurt, milk, eggs, canned fish, tofu products and some whole-grain foods.

When comparing products, check the grams of protein per serving.

For example, plain yoghurt may contain less added sugar than a sweetened yoghurt while still providing useful protein. However, products vary, so compare the actual labels rather than relying on assumptions.

You do not need to choose the product with the highest protein content every time. Aim for a balanced diet that includes adequate protein, fibre and other essential nutrients.

6. Read the Ingredient List

The nutrition panel tells you how much of certain nutrients a product contains. The ingredient list tells you what went into making it.

Ingredients are generally listed in descending order by weight. Therefore, ingredients near the beginning make up a larger proportion of the product.

If sugar, syrup or another sweetening ingredient appears near the beginning of the list, the product may contain a substantial amount of added sweetener.

Remember that sugar can appear under different names, including glucose syrup, fructose and maltose.

A long ingredient list does not automatically mean a food is unhealthy. The important thing is to understand the ingredients and how the product fits into your overall diet.

7. Compare Similar Products Side by Side

The easiest way to use food labels is to compare products from the same category.

For example, when choosing breakfast cereal, compare serving sizes, calories, added sugars, fibre and protein. When choosing bread, consider fibre, calories and the ingredient list.

Here is a simple illustration of how you might compare two hypothetical breakfast cereals:

Nutrition per servingCereal ACereal B
Calories180170
Added sugars10 g4 g
Fibre2 g5 g
Protein3 g5 g

In this example, Cereal B has fewer calories, less added sugar, more fibre and more protein. If the serving sizes are comparable, it may be the more suitable everyday choice.

These figures are illustrative, not actual product data. Real products can have different nutritional profiles.

The aim is not to find a perfect food. It is to identify the product that better meets your needs.

8. Do Not Be Misled by Front-of-Package Claims

Food packaging often uses attractive phrases such as:

  • Low fat

  • No added sugar

  • High protein

  • Whole grain

  • Reduced calories

These claims can provide useful clues, but they do not tell the whole story.

A low-fat product may contain added sugar. A high-protein snack may also contain substantial calories. A product labelled “reduced sugar” may still contain considerable sugar.

Turn the package over and check the nutrition information before deciding.

9. A Simple Supermarket Checklist

Before placing a packaged food in your shopping basket, ask yourself five questions:

  1. Serving size: How much will I actually eat?

  2. Calories: How much energy does my usual portion provide?

  3. Added sugars: Can I choose a similar product with less?

  4. Fibre: Does it provide a useful amount?

  5. Protein: Will it contribute to a balanced, satisfying meal?

You can also check sodium, saturated fat and the ingredient list, especially if you are managing blood pressure, cholesterol or other dietary concerns.

For Malaysian shoppers, look for the nutrition information panel on the package. Depending on the product and labelling requirements, nutrients may be shown per serving or per 100 grams or millilitres. Use the same basis when comparing products.

Final Thoughts: Small Choices Can Make a Difference

Successful weight management does not depend on one special food or a perfect diet. It comes from the habits you practise consistently.

Learning to read food labels gives you more control over your choices. You may discover that a different breakfast cereal, a less sugary drink or a higher-fibre bread is an easy change that fits your lifestyle.

You do not have to change everything at once. Start by comparing two similar products during your next shopping trip.

The next time you shop, do not judge a food by its packaging alone. Turn it over, read the label and make an informed choice.

Disclaimer: This article provides general educational information and is not a substitute for individual medical or dietary advice. People with specific health conditions or dietary requirements should consult a qualified healthcare professional or dietitian.

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