The New York University Langone Medical Center, on the other hand, reports no marked increase in blood sugar levels in diabetics. As a precaution, however, you should discuss fish oil supplements with your health care provider, if you have diabetes. If you're already taking fish oil supplements, keep a close watch on how your blood sugar levels vary.
Another condition that can cause headache above left eye is glaucoma. This condition is due to the build-up of pressure within the left eye that causes damage to the optic nerve, destroying peripheral vision and leading to blindness. Any infections or tumor in the left eye or brain can cause pain around the eye.
Sharp, stabbing pains under your left breast could be caused by heartburn, stress, gastritis, or even too much gas. Pain under your breast caused by gastritis can be dull, throbbing pain that feels like something is gnawing at you. Other lower chest pains can be momentary and be sharp and uncomfortable.