If you find you continue to have bad posture, you may consider buying a lumbar support pad, a doughnut hole or other devices designed to make you sit correctly. These are available in office stores and medical supply stores.

Remove hair gel before you go to bed. Hair gel may be give you that great look but take care to remove it from your hair before you go to bed. Not only is it bad for your hair to have it on for to long, but it is all chemicals and it is bad for you to sleep all night inhaling these chemicals and the mild perfume that most hair gels have. Hair gel also has the effect of sealing off all the pores on your scalp. So in the night, the skin on the scalp of your head cannot breathe and this is bad for your head. Aerosols are bad for you. If you are prone to sinus infection aerosols are bad for you so try not to use them as far as possible.

If you use glasses or contacts, check your eyes periodically. Once you develop a defect with your vision it is a very good thing to get yourself tested at least once every six months.  If you have family history pf poor eyesight get yourself examined periodically. Most vision defects are hereditary so if one of your parents started using glasses at an early age, there is 25% chance that you might have the same problem as well.

Never shake your head violently. You may want to refrain from riding fast roller coasters, or even driving on unfinished roads.A gentle shake of your head however can tell you if you do have a sinus infection. If you move your head even slightly, the pain will increase and this is a good method of deciding whether the headache is actually due to a sinus infection. If you have a sinus infection, do not shake your head, as the pain will increase.

Another method is to try bending over. The moment you lower your head you will feel as if there is something heavy inside your head. If doing so leads you to discover you have a sinus infection, refrain from bending over until the infection clears. Avoid irritating people. Anger and irritation are major causes of headaches. Avoid stuffy rooms. Stuffy rooms mean that obviously there is not enough air in the room. If the room smells musty too it is a good idea to get out f the room or open all the windows and doors and let the fresh air come in.It is also not good for you to sleep in a room that does not have proper ventilation. Even if the A/C is turned on, try to also turn on the fan to circulate the air. 

Dip cotton in iced water and apply it on your forehead. This is a way of soothing a sore head. But do not leave on the cotton for too long. Or if you have had a particularly bad day you could try applying an ice bag to your head. But again, remember that objective is to cool your head and not to chill it so do not apply the ice bag for too long. 

Crying is not good for a headache. If you are prone to sinus headaches, crying is not good for you. When such a person cries for even a minute or two there is very good chance that the tears will lead to a headache.  If you feel you might start crying, try breathing deeply, or try to lie down and fall asleep. Some situations are unavoidable, but some, like sad movies, are easy to avoid.

Do not skip meals and go about hungry. Eat at fixed times. Hunger is the worst enemy of a person who is prone to migraine attacks. When you miss meals or have meals at times other than normal, you are actually depriving your body of the much-needed energy. The body will seek out alternative measure that is it will start working on fat reserves but the fats cannot be easily converted to sugars that the body desperately needs. So when the body does not get what it wants, the cells get deprived of energy and this manifests itself in the cause of a headache.  All of these things will help with the cause of headache and help improve yours.