I guess we better say "Cause(s)" because headaches occur by thousand of reasons! I hope i'm understanding the question very well.

-High blood pressure

-Lack of rest and sleep

-Tumors

-Common sickness and illness, such as cold.

-Usage of pills and medication and their possible side effects.

-Sudden loud noises

-Sensitivity to certain noises and lights … Read more

I guess we better say "Cause(s)" because headaches occur by thousand of reasons! I hope i'm understanding the question very well.

-High blood pressure

-Lack of rest and sleep

-Tumors

-Common sickness and illness, such as cold.

-Usage of pills and medication and their possible side effects.

-Sudden loud noises

-Sensitivity to certain noises and lights … Read more