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...

Can Eating More Fruit Help Control the 3 Highs? 12 Fruits Worth Adding to Your Diet

 Can eating more fruit help control high blood pressure, high blood sugar and high cholesterol?




The answer is yes, but there is an important distinction: the type of fruit, how much you eat and how you consume it all matter.

Whole fruits contain fibre, vitamins, minerals, antioxidants and natural plant compounds that support good health. Some fruits provide potassium, which helps regulate blood pressure, while soluble fibre can help reduce cholesterol and slow the absorption of sugar.

However, fruit is not medicine, and eating fruit alone cannot replace prescribed medication or a balanced diet.

Let's explore 12 fruits that deserve a place in your daily eating habits.

1. Guava – A Fibre-Rich Fruit for Heart Health


Guava is particularly rich in dietary fibre and vitamin C.

  • Blood pressure: Provides potassium, which supports healthy blood pressure regulation.

  • Blood sugar: Its fibre helps slow digestion and sugar absorption.

  • Cholesterol: Dietary fibre can help reduce cholesterol absorption.

Guava is a particularly good choice when eaten whole rather than as juice.

2. Apples – A Natural Source of Soluble Fibre


Apples contain pectin, a type of soluble fibre.

  • May help lower LDL (bad) cholesterol.

  • Fibre slows the absorption of sugar.

  • Provides plant compounds that support cardiovascular health.

Eat the apple with its skin after washing it properly.

3. Berries – Small Fruits with Powerful Plant Compounds



Blueberries, strawberries and raspberries contain anthocyanins and other antioxidants.

  • Support healthy blood vessel function.

  • Provide fibre with relatively modest amounts of natural sugar.

  • May contribute to better cardiovascular health.

Choose fresh or frozen berries without added sugar.

4. Oranges – Vitamin C and Potassium


Oranges provide vitamin C, potassium and dietary fibre.

  • Potassium supports blood pressure regulation.

  • Fibre helps support cholesterol management.

  • Whole oranges are generally better than orange juice for blood sugar control.

5. Pears – A Good Source of Dietary Fibre



Pears contain soluble and insoluble fibre.

  • Soluble fibre helps manage LDL cholesterol.

  • Fibre slows digestion and supports blood sugar management.

  • Their high water content helps with hydration.

Eat the skin too, as it contains additional fibre.

6. Avocados – Healthy Fats for Cholesterol Management


Unlike most fruits, avocados are rich in monounsaturated fats.

  • May help improve cholesterol levels when replacing saturated fats.

  • Contain potassium, which supports blood pressure.

  • Provide fibre that supports digestive and metabolic health.

Remember that avocados are calorie-dense, so sensible portions matter.

7. Kiwi – Fibre, Vitamin C and Potassium


Kiwi provides vitamin C, potassium and dietary fibre.

  • Supports healthy blood vessel function.

  • Contributes to daily fibre intake.

  • Provides antioxidants that help protect cells from oxidative stress.

8. Papaya – A Nutritious Tropical Fruit



Papaya is rich in vitamin C, beta-carotene and fibre.

  • Supports overall cardiovascular health.

  • Provides antioxidants.

  • Offers fibre that helps slow sugar absorption.

Choose fresh papaya instead of sweetened papaya drinks.

9. Pomegranate – Rich in Antioxidants


Pomegranate contains polyphenols, including punicalagins and anthocyanins.

  • Provides antioxidant compounds.

  • May support healthy blood vessel function.

  • Contributes fibre when the seeds are eaten whole.

Research is promising, but pomegranate should not be considered a treatment for hypertension or high cholesterol.

10. Bananas – Potassium for Blood Pressure Support


Bananas are well known for their potassium content.

  • Potassium helps balance sodium in the body.

  • Supports normal muscle and nerve function.

  • Provides fibre and natural energy.

People with kidney disease or those advised to restrict potassium should seek medical advice about their fruit choices.

11. Dragon Fruit – Fibre and Antioxidants


Dragon fruit contains fibre, vitamin C and beneficial plant compounds.

  • Supports digestive health.

  • Provides antioxidants.

  • Adds variety to a balanced diet without requiring added sugar.

Enjoy it fresh rather than blended with sweetened condensed milk or syrup.

12. Grapefruit – A Fruit with an Important Medication Warning



Grapefruit contains vitamin C, potassium and antioxidants.

However, there is something important to know.

Grapefruit can interact with certain medications, including some cholesterol-lowering drugs and blood pressure medicines. These interactions can change how the medication works.

If you take regular medication, check with your doctor or pharmacist before consuming grapefruit.

Whole Fruit vs Fruit Juice: Which Is Better?



This is one of the most important lessons for people managing the three highs.

Whole fruit

Fruit juice

Retains most natural fibre

Usually contains little or no fibre

Takes longer to eat

Easy to consume quickly

More filling

Less filling

Helps moderate sugar absorption

Sugar can be absorbed more quickly

Even 100% fruit juice without added sugar can contain a considerable amount of naturally occurring sugar.

Our recommendation: Choose whole fruit most of the time. Eat it rather than drink it.

How Much Fruit Should You Eat?

Eating fruit is healthy, but larger portions are not necessarily better.

A practical starting point for many adults is around two servings of whole fruit daily, adjusted to individual energy needs and medical advice.

Examples of approximately one serving include:

  • One medium apple.

  • One medium orange.

  • One small banana.

  • One cup of papaya pieces.

  • One cup of berries.

  • One medium guava.

People managing diabetes should also consider the total carbohydrate content of their meals and individual blood glucose response.

Three Common Mistakes to Avoid

1. Thinking natural sugar does not count

Fruit contains naturally occurring sugars. Although whole fruit comes with fibre and nutrients, its carbohydrate content still matters, particularly for people with diabetes.

2. Replacing water with fruit juice

Even freshly squeezed juice can deliver more sugar and calories than eating the whole fruit.

3. Eating fruit but ignoring the rest of the diet

Too much salt, sugary drinks, processed foods and saturated fats can undermine efforts to improve cardiovascular health.

Fruit works best as part of an overall healthy eating pattern.

The Bigger Picture: Fruit Is Part of the Solution

The three highs often occur together, increasing the risk of heart disease, stroke and other complications.

A healthy eating pattern should include:

  • More vegetables and whole fruits.

  • Whole grains, beans and legumes.

  • Fish, nuts and seeds.

  • Less salt and added sugar.

  • Less processed and deep-fried food.

  • Regular physical activity.

Continue prescribed medications and monitor blood pressure, blood glucose and cholesterol as advised by your healthcare professional.

Fruit is one of nature's simplest gifts to our health. Guava, apples, berries, oranges and other whole fruits provide fibre, potassium and beneficial plant compounds that support our bodies in different ways.

But remember, eating fruit is not about eating as much as possible. It is about choosing wisely, controlling portions and making healthier choices consistently.

Start with one simple change today: replace a sugary drink with water and enjoy a piece of whole fruit instead.

Your heart, blood vessels and overall health may benefit from that small daily habit.










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