The juice from the prickly pear cactus is often used in smoothies, jellies and candies. It can be used regularly in salads, combined with grilled peppers and onions, and added to soups and stews as natural source of vitamin C. Itâs one of the most promising natural ways to control help type 2 diabetes.
A couple of years ago I had a bad experience after having my blood drawn for a lipid test. I was healthy, but because I fasted too long (12-16 hours) and didn't drink water, I got extremely light headed and weak. My blood pressure went down real low and I had to put my head between my knees and drink juice. I... show more A couple of years ago I had a bad experience after having my blood drawn for a lipid test. I was healthy, but because I fasted too long (12-16 hours) and didn't drink water, I got extremely light headed and weak.
But if it happens more than once, tell your doctor about it. 1  If you faint when you turn your head to the side, the bones in your neck may be pinching on one of the blood vessels that leads to your brain. 2  A drop in your blood sugar may also cause you to faint. 3  Some prescription medicines can cause fainting. Be sure to talk to your doctor if you think your fainting may be related to a medicine youâre taking. Alcohol, cocaine, and marijuana can also cause fainting. More serious causes of fainting include seizures and problems with the heart or with the blood vessels leading to the brain.