Try drinking lots of water to flush toxins. Make sure you have all your minerals as well, maybe some coconut water. Raw cacao also has a lot of minerals making it a good complete whole food source, check out my delicious secret recipe here. Beware of supplements that do not have a balanced source of minerals that need each other to function inside you. Dehydration can cause a headache.
Neck tension, try neck circles, slowly lifting each vertebrae by lifting the crown of your head while you do them. If your neck hurts, do slower, smaller circles, ten or so each direction. If you have a pinch anywhere there, that can cause headaches.
Eye strain from looking at one thing too long like a screen or monitor. Make it a habit to look away for a minute every ten minutes and focus your eyes on something far away. These simple eye exercises can even help eyesight. I do those and a few others every day. Check out more about eye exercises where I wrote about them here.
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