As a respiratory specialist with extensive experience in the field of pulmonary medicine, I can provide you with a detailed understanding of the dangers of low oxygen levels, which medically is referred to as hypoxia. Hypoxia occurs when there is not enough oxygen reaching the body's tissues, and it can be life-threatening if severe or prolonged. The dangers of hypoxia include: 1. Cognitive Impairment: As oxygen is vital for brain function, low levels can lead to confusion, impaired judgment, and loss of consciousness. 2. Cardiovascular Stress: The heart has to work harder to pump blood to compensate for the lack of oxygen, which can lead to an increased heart rate and high blood pressure. 3. Organ Damage: Prolonged hypoxia can cause damage to vital organs such as the brain, heart, and kidneys. 4. Respiratory Failure: In severe cases, the respiratory system may fail to function properly, leading to a further decrease in oxygen levels. 5. Seizures: Low oxygen levels can cause seizures, which can be dangerous and potentially life-threatening. 6. Coma: Severe and prolonged hypoxia can lead to a coma. 7. Death: If not corrected, hypoxia can result in death due to the failure of vital organs. Factors that can contribute to hypoxia include lung diseases such as **chronic obstructive pulmonary disease (COPD)**, emphysema, bronchitis, pneumonia, and pulmonary edema (fluid in the lungs). Additionally, certain medications such as strong pain medicines and other drugs that can suppress breathing, heart problems, and conditions like anemia (a low number of red blood cells, which are responsible for carrying oxygen) can also lead to hypoxia. It's important to recognize the signs of hypoxia and seek medical attention promptly to prevent serious health complications. read more >>

Other things can cause hypoxia include:Lung diseases such as chronic obstructive pulmonary disease (COPD), emphysema, bronchitis, pneumonia, and pulmonary edema (fluid in the lungs)Strong pain medicines and other drugs that hold back breathing.Heart problems.Anemia (a low number of red blood cells, which carry oxygen)More items...read more >>