Iron deficiency occurs when a person does not have enough iron in their body.According to Medical News Today, when iron levels drop to a very low level or are depleted, the body stops producing ...

A patient is "hypoxemic" when his blood oxygen is low, a state one can often be quite sure about, whether it is present or absent. However, the term "hypoxia," if it means a deficiency of oxygen ...

Here are five lesser-known symptoms that could indicate low ... Since iron helps transport oxygen, a deficiency can also lead to reduced oxygen levels in the blood, affecting overall circulation ...

You may experience breathlessness or a racing heartbeat without exertion, signaling oxygen deficiency in the body. Lack of oxygen in the brain due to low hemoglobin levels can lead to persistent ...

Iron deficiency can cause symptoms like fatigue ... a part of red blood cells responsible for transporting oxygen. Maintaining adequate levels of iron keeps the body functioning properly.

Photo courtesy of aeroprints.com, Wikimedia Commons A lack of oxygen likely played a role ... there is a risk pilots will not recognize early symptoms in higher altitudes.

Heart attacks are a medical emergency that requires immediate treatment, but the symptoms could be easily missed.