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 Dogs Tell What We Are Looking At?

 

Does Your Dog Know Where You Are Looking?

Woman with toy training her dog at home, closeup

Have you ever looked towards a toy, pointed at a treat or turned your head towards something interesting, only to see your dog follow your movement?

Perhaps your dog looks in the same direction, investigates the object or waits for you to give a signal.

It may seem as if your dog can read your mind. While dogs cannot know every thought we have, research suggests that they are remarkably good at using human body language and visual signals.

Dogs can learn to pay attention to our gaze, follow pointing gestures and notice where our attention is directed. These abilities help them communicate with us and navigate everyday situations.

So, how do dogs understand what we are looking at?

1. Dogs Pay Attention to Our Eyes and Faces

Dogs are social animals, and many learn to pay close attention to human faces.

When you look towards something, your dog may notice the direction of your eyes or the movement of your head. These clues can help the dog decide whether something deserves attention.

For example, imagine that you are sitting in the living room and suddenly turn your head towards the front door. Your dog may look towards the door too, especially if the sound or movement suggests that something is happening.

However, dogs do not always follow our gaze automatically. Their response depends on their training, experience, surroundings and interest in the object.

A dog distracted by an exciting smell may pay little attention to where you are looking!

2. Can Dogs Understand Where Our Attention Is Focused?

Dogs can use several clues to work out whether we are paying attention to them.

They may notice whether we are facing them, looking in their direction or engaging with them.

For instance, a dog that wants to play might bring you a toy and watch your face. If you respond by looking at the toy or reaching for it, the dog may learn that you are ready to interact.

Similarly, some dogs behave differently when their owners are watching compared with when their owners are occupied with something else.

These behaviours suggest that dogs can be sensitive to human attention. However, they do not necessarily mean that dogs understand attention in exactly the same way people do.

Dogs learn from repeated experiences, and our everyday behaviour gives them many opportunities to discover what our signals mean.

3. Why Do Dogs Follow Our Pointing Finger?

Pointing is one of the most useful gestures humans make when communicating with dogs.

Imagine placing a treat under one of two cups. If you point towards the correct cup, your dog may use that gesture to decide where to search.

Many dogs can learn to follow human pointing, even when the gesture directs their attention away from the person giving the signal.

This ability is especially helpful in everyday situations.

You might point towards:

  • A toy lying across the room.

  • The bed where your dog should settle.

  • A treat hidden in an easy-to-find location.

  • A safe direction to follow during training.

Dogs differ in how readily they respond to pointing. Puppies, adult dogs, newly adopted dogs and dogs with different training histories may need different amounts of practice.

The important lesson is that dogs can learn to use our gestures as meaningful information.

4. Do Dogs Understand Our Gestures Naturally, or Do They Learn Them?

The answer is likely to involve both natural social abilities and learning.

Dogs have evolved alongside humans over thousands of years. Their sensitivity to human communication is an important part of their relationship with us.

Research has found that dogs can use human gestures, including pointing, in ways that help them find food or solve simple tasks.

At the same time, everyday experience teaches dogs what particular gestures mean in their own homes.

For example, if you repeatedly point towards a dog bed while saying "bed", your dog may gradually associate the pointing gesture and spoken cue with going to that location.

Consistency helps your dog understand what you want.

Rather than assuming that your dog automatically understands every movement, think of communication as a skill that develops through interaction.

5. How Dogs Use Human Signals in Everyday Life

You may already have noticed your dog responding to small movements without realising how much information those movements provide.

During walks: Your dog may notice which direction you turn your body or look before changing direction.

During play: Your dog may watch your hands to anticipate whether you are about to throw a ball.

During training: Your dog may follow a hand gesture towards a sitting position, a bed or a target.

At home: Your dog may look towards a door when you glance at it, especially if your usual routine involves going outside.

When asking for help: Some dogs alternate their gaze between an object they want and their owner, a behaviour that can help communicate their needs.

Not every example proves that a dog understands exactly what a human intends. But together, these behaviours show how dogs use our movements and reactions to guide their own behaviour.

6. How to Teach Your Dog to Follow Your Pointing

You can practise this skill at home using a few treats and a quiet environment.

Step 1: Prepare two simple locations

Place two identical containers or toys a short distance apart. Make sure the area is safe and free from distractions.

Step 2: Let your dog see the reward

Place a small treat beside one container or under it in a way that your dog can safely investigate.

Step 3: Point clearly

Point towards the container with the treat. Use a clear, consistent gesture rather than waving your whole arm around.

Step 4: Reward the correct choice

When your dog moves towards the indicated location, praise them and allow them to receive the treat.

Step 5: Practise gradually

Repeat a few times, changing the location of the reward. Keep sessions short and positive.

Once your dog understands the exercise, you can gradually reduce the obvious clues provided by the treat.

Avoid repeatedly testing your dog or becoming frustrated if they make mistakes. The purpose is to build understanding, not to demand perfect performance.

7. What If Your Dog Does Not Follow Your Gaze?

There is no need to worry if your dog does not immediately look where you look or follow your pointing finger.

Several factors may affect the response:

  • Distractions: Interesting smells, sounds or other animals may capture your dog's attention.

  • Training history: Your dog may not have learned that your gesture is meaningful.

  • Distance: A small movement may be difficult to notice from far away.

  • Unclear signals: Pointing, looking and speaking at the same time may confuse a beginner.

  • Individual differences: Dogs vary in confidence, experience and communication style.

Try practising in a quiet place, using a clear gesture and rewarding successful responses.

If your dog has a sudden change in vision, responsiveness or behaviour, seek veterinary advice rather than assuming the issue is simply a training problem.

Communication Is More Than Words

Dogs cannot read our minds, but they can become remarkably skilled at interpreting the signals we give them.

Gaze, head movements, pointing and body posture can all provide information that helps dogs understand where to look and what to do next.

Some abilities may come naturally, while others develop through training and repeated interaction.

By using clear gestures, rewarding your dog's efforts and practising patiently, you can improve everyday communication and strengthen your relationship.

The next time your dog follows your pointing finger or looks towards something you have noticed, remember that you are sharing a small moment of communication across two different species.

Helpful Digital Picks — Helping dog owners understand their companions, one behaviour at a time.

Disclaimer: This article provides general educational information and does not replace professional veterinary or qualified dog-training advice.

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