ELI5: Why do I get headaches?

Imagine your head is like a balloon. Sometimes, it feels perfectly fine, and sometimes it starts to hurt, giving you a headache.

Why does the balloon hurt? Lots of reasons!

• Tension: Think about when you're worried or stressed. You might clench your jaw or tighten your shoulders. This muscle tension can squeeze the muscles around your head and neck, causing a tension headache. It's like squeezing the balloon too hard.

• Not Enough Water: When you don't drink enough water, your body gets a little grumpy. This dehydration can make your brain shrink a tiny bit, pulling on things inside your head and causing pain. Imagine your balloon losing air!

• Skipping Meals: If you don't eat regularly, your blood sugar can drop. Your brain needs sugar to work properly, and when it doesn't get enough, it can complain with a headache. Think of it as the balloon running out of fuel.

• Too Much Screen Time: Staring at screens for too long can strain your eyes and neck. This strain can lead to eye strain headaches. It's like over-inflating one part of the balloon.

• Loud Noises or Bright Lights: Sometimes, really loud noises or really bright lights can irritate your brain and cause a migraine or a headache. Imagine shining a very bright light on the balloon - it might get too hot.

• Not Enough Sleep: When you don't sleep enough, your body doesn't get a chance to rest and repair itself. This can make you more likely to get a headache. It's like leaving the balloon out in the sun all day.