2Unusual Headaches
Headaches can be caused when lung cancer spreads to the brain. Now we know that sounds confusing since there are many different causes of headaches as well.
But headaches caused by lung cancer can be attributed to the cancerous tumor in your lung creating pressure on the large vein that moves blood from the upper body to the heart. Headaches that are caused by lung cancer are usually accompanied by repeated seizures, memory loss, and personality changes.
