Why Scuba Diving Can Be Bad For Your Body

Scuba diving is a very popular pastime. Not only does scuba diving get you out on the water to enjoy the fresh air, but you will also get to see the marine life up close. Unless you go down deep into the water, this is a world that you might never be able to see with your own eyes.

Why Scuba Diving Can Be Bad For Your Body? In short, drowning is the most common danger when scuba diving. Decompression sickness (DCS) is the scuba diving hazard. DCS can be very painful, and it can cause nerve damage and tissue damage. Hypothermia can cause shivering, weakness, reduced level of consciousness, loss of consciousness, and even death.

If you have never gone scuba diving and you want to try it out, you should understand the dangers that are associated with scuba diving. There are several ways that scuba diving can be bad for your body and your health.


Drowning is the most common danger when scuba diving. If you start to panic under the water because you are running out of air or an emergency under the water, drowning is possible. If you become unconscious when diving due to a health issue that isn’t related to diving, you can run out of air while unconscious, causing you to drown.

Before going scuba diving, it is best to see your physician to make sure that you are in good health. You should have a complete physical exam, and let your doctor know that you plan to go scuba diving. If you have a heart or respiratory issue, you shouldn’t go scuba diving.

Why Scuba Diving Can Be Bad For Your Body

You should also avoid going scuba diving if your doctor recommends against it. If you are in poor health, the last place you want to be is 60 feet under the water. Also, it is best to use the buddy system while diving, so there will always be somewhere to have your back. It would be best if you also remembered to try to remain calm regardless of what dangers are lurking nearby.

When you get your dive certification, you will need to fill out a medical card. It is essential that you are honest when filling out the card. It could mean the difference between life and death.

Decompression Sickness

Decompression sickness (DCS) is the scuba diving hazard that most people talk about. When you are underwater, you are breathing in compressed air from your tank, and the tissue in your body absorbs the excess nitrogen. If you come to the surface and there is too much nitrogen in your tissues, nitrogen bubbles will form in the tissue. DCS can be very painful, and it can cause nerve damage and tissue damage. If left untreated, DCS can be deadly.

You can prevent DCS if you follow instructions, use a dive computer, and slowly come up to the surface. There are other factors that can lead to this condition.

These include:

  • Dehydration
  • Lack of sleep
  • Poor physical fitness
  • Alcohol use
  • Drug use
  • Stress

You will need to do more than rely on your dive computer if you are going to prevent DCS. You also need to take good care of yourself if you are going to take up scuba diving. If you come up from a dive and begin to experience the symptoms of DCS, you should get treatment right away. Treatment is essential in preventing permanent damage and even death.

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Arterial Air Embolism

This is a relatively rare danger, but it can happen. It occurs when bubbles form in an artery when you come up from the water, causing the blood flow to be blocked. It commonly occurs when a diver holds their breath when coming up from the water, and the air in the lungs expands. Arterial air embolism can cause permanent damage to the lungs and even death.

With proper training and careful diving, this condition can be prevented.

Nitrogen Narcosis

When you reach depths of 80 to 100 feet under the water, you can start to feel drunk or giddy, which is called nitrogen narcosis. Although this condition isn’t dangerous in itself, it can affect your ability to make good decisions, your ability to reason, and your motor coordination. These are all dangerous issues when you are deep under the water, relying on oxygen tanks.

The average diver certification allows you to dive 60 feet down. If you are planning to go deeper, you would require additional training, which will help you learn what is necessary to keep from getting nitrogen narcosis.


Barotrauma occurs when there is increased underwater pressure on the air pockets in the middle ear. While under the water, you need to release the pressure by equalizing your ears. This can be done by pinching your nose, closing your eyes, and blowing.

You can also chew or swallow to push air into your middle air. If you come up too quickly, there is nothing that you can do to equalize the pressure, which can cause barotrauma. This condition causes severe pain in the air, and in severe cases, permanent damage to the middle ear is possible.

It is essential that you take certification classes before you go scuba diving so that you know how fast you should come to the surface. Also, do your best not to panic while under the water. If you develop nitrogen narcosis while under the water, it can cause you to come to the surface too quickly because you aren’t thinking straight, which can cause barotrauma and other serious issues caused by diving.

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Oxygen Toxicity

This condition often occurs when you dive around 135 feet down. The increased water pressure at this depth can cause your body to absorb extra oxygen. At great depths, the oxygen can become toxic.

Oxygen toxicity causes several symptoms, including nausea, twitching, tunnel vision, seizures, and loss of consciousness. If these symptoms come on when you are 135 feet under the water, it can be difficult to get to the surface, and drowning can occur.

Injuries Caused By Sea Life

It is essential that you are aware and alert while under the water because there are sea life and sea creatures that could be deadly. You are probably imagining Jaws coming at you under the water, but this is very rare. However, there are sea creatures that can cause pain or death when you come into contact with them. Jellyfish and stingrays are just two examples.

When you are under the water, you also watch out for hard coral or rocks with sharp edges. If these are sharp enough, they can penetrate your dive suit, causing a serious laceration. It is best to steer clear of any underwater structure. You should also avoid touching sea life for your safety and theirs.

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Hypoxia can occur when the oxygen pressure in the breathing gas is too low to allow normal activity. Unfortunately, hypoxia comes on quickly and without warning. This condition can cause the skin to turn blue. Other symptoms include a reduced level of consciousness, loss of consciousness, seizures, coma, and death.

To prevent this condition, you need to make sure that your tank is properly maintained and ready for use. These are things that you will learn during your diver certification classes.

Tooth Squeeze

This may sound strange, but poor dental care can cause issues while diving. If you are suffering from tooth decay, the tissue can be squeezed into the gap, which can cause a severe toothache. This isn’t harmful to your health, but it is painful. The best way to avoid this is to make sure that your cavities and filled, and there are no free air spaces in your caps.


It is important that you know the temperature of the water before you go diving. If you don’t wear a diving suit that is capable of keeping you warm enough, your body temperature can drop dangerously low, causing hypothermia.

This can cause shivering, weakness, reduced level of consciousness, loss of consciousness, and even death. Hypothermia is dangerous on land or underwater, but it is especially dangerous underwater if you become too weak to get to the top of the water or if you lose consciousness.

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Final Thoughts

Scuba diving can be an incredible pastime. It gives you a glimpse of the world under the water, which you may have only see on television.

As fun as scuba diving is, it can still be very dangerous. This is why it is so important that you first get cleared by your doctor to go down under the water. It would be best if you also took scuba diving certification classes.

These classes start out with classroom learning so that you can understand everything about the equipment and the basic physics and physiology of scuba diving. After the lessons in the classroom, you will move to a pool where you will learn the diving techniques.

When your instructor believes you are ready, they will take you out for your certification dives. It usually takes four or five test dives to become certified. If you want to dive deeper than 60 feet, you will need additional classes. Paying attention during class is essential in preventing most of the diving hazards that affect your physical health. As we conclude, we hope that you have found this article beneficial and that we have answered the question; Why Scuba Diving Can Be Bad For Your Body?


Hi, I’m John who owns multiple different boats and i love all kinds of water activities. From boating to fishing, from scuba diving to windsurfing, from water tubing to snow tubing.

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