The average person can only survive for a few minutes without oxygen. The exact time varies depending on individual factors, such as overall health, physical condition, age, and the specific circumstances leading to the lack of oxygen. However, as a general guideline, brain damage and death can occur within 4 to 6 minutes of oxygen deprivation.
The human body requires a constant supply of oxygen to sustain its vital functions. Oxygen is essential for cellular respiration, the process by which cells generate energy. Without oxygen, cells are unable to produce the energy required to maintain bodily functions, especially those of the brain, which is highly dependent on oxygen.
In situations where oxygen supply is cut off or severely limited, such as in cases of suffocation, drowning, or a blocked airway, it is crucial to restore oxygen flow as soon as possible. Performing cardiopulmonary resuscitation (CPR) and seeking immediate medical attention can help sustain life until oxygen is restored.
It is important to note that these time frames are approximate, and individual responses to oxygen deprivation can vary. Factors such as pre-existing health conditions, physical fitness, and environmental conditions can influence the duration of survival without oxygen.