Why is it mandatory to test for hepatitis B and C when donating blood? Medical science says that hepatitis B and C infection can be transmitted through blood, so before giving blood to the patient, it is mandatory to test these viruses. Millions of patients around the world are given blood to save their lives. Surgery, accidents, childbirth, cancer, thalassemia, anemia - in all these cases blood is vital. But if this life-giving blood carries the hepatitis 'B' or 'C' virus, it can become a silent risk rather than a life saver. Therefore, it is very important to test for hepatitis B and C before giving blood to the patient. Is every blood donated around the world tested for hepatitis B and C? What is Hepatitis B and Hepatitis C? Hepatitis means inflammation or swelling of the liver. It can be caused by a virus attack, excessive alcohol consumption, medication or other reasons. In terms of blood circulation, Hepatitis B (HBV) and Hepatitis C (HCV) are considered the mos...
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 ...