A headache is considered one of the most common health problems in the world. Almost everyone experiences a headache at some point in their life. Some people get headaches more often than others. A headache can happen for many reasons, like stress, lack of sleep, hunger, noise, or sickness.

There are many types of headaches. Some are mild and go away quickly, while others can be more serious and painful. Headaches can last for a few minutes or even for several hours. Sometimes, they are just a small discomfort. But in other cases, they can make it hard to work, study, or enjoy daily life.

Unlike diseases such as leprosy or migraine, headaches are more frequent and affect people of all ages, genders, and backgrounds. Headaches are usually not dangerous, but if someone has very strong or regular headaches, they should see a doctor.

Understanding common health issues like headaches helps people stay aware of their health. It also encourages good habits like drinking water, getting enough sleep, and reducing stress. That’s why headaches are not just common, but important to understand in everyday science and health knowledge.