Glaucoma is a group of eye conditions in which fluid builds up in your eye causing gradual vision loss. Ocular migraine Ocular migraine usually refers to a type of migraine that can cause temporary blindness in one eye.
Increased Blood Pressure. The combination of caffeine and ephedrine can increase your blood pressure. Ephedrine and caffeine stimulate your sympathetic nervous system by increasing neurotransmitters, such as norepinephrine. This stimulant effect can increase your blood pressure by constricting your blood vessels. This is why many diet pill formulas, often called an ECA stack, contain ephedrine, caffeine and aspirin to thin your blood to offset the blood vessel constriction.
Jan 28, 2008 -- There's something about coffee that fights type 2 diabetes -- but it isn't caffeine. Caffeine makes it hard for people with diabetes to control their blood sugar, new studies suggest. In the latest of these studies, Duke University researcher James D. Lane, PhD, and colleagues put continuous blood-sugar monitors on 10 people with type 2 diabetes. All were regular coffee drinkers averaging four cups a day, but they stopped drinking coffee during the experiment.