Why do you suddenly wake up at 3 am? Here's the scientific reason The problem of waking up at 3 am is linked to the natural fluctuations of the cortisol hormone , and stress increases it. Many people have trouble waking up suddenly at exactly 3 am or between 3 and 4 am. Some consider it a ghost or an ominous sign, but according to science, it is an important signal related to the body's internal clock and hormones. If you also frequently wake up at 3 am, you should not take it lightly. This may indicate that your sleep cycle is disrupted and stress has increased in the body. The main reason for sleep disturbance at this time of night is the natural fluctuations of the cortisol hormone. Circadian rhythm : Relationship with the body's internal clock There is an automatic 24-hour clock running inside our body, which is called the circadian rhythm, or biological clock. This clock controls when we sleep, when we wake up, when we eat, and when we are energetic. This clock is ...
Why do people who have never smoked get lung cancer? According to experts, the most important cause of lung cancer is smoking. 80 percent of patients who are battling lung cancer are cigarette and tobacco smokers. But the remaining 20 percent of lung cancer patients are those who have never smoked. Therefore, even people who do not smoke cigarettes and tobacco, do not live in any highly polluted areas, and do not work in any mines are at risk of developing lung cancer. Therefore, we need to know about lung cancer, its causes, and preventive measures. How do the lungs work and how does cancer affect it? The lungs are a part of the respiratory system of the human body. They act as a filter in the human body. When we breathe, along with air, gases such as nitrogen, carbon dioxide, and oxygen also enter through the nose and mouth. The lungs select only the oxygen gas from them and deliver it to the body, and throw the rest of the gas out. Lung cells work continuously. When old cells a...