Fish oil is a product derived from a variety of fish, such as salmon, herring, tuna and cod. Doctors often recommend fish oil for the omega-3s, fatty acids that may help prevent health conditions such as high cholesterol. If your doctor thinks...
If you experience fatigue and blurred vision during or after exercise, you may be dehydrated, have low blood sugar or not be rested enough. If the problem happens consistently, you may have an underlying medical disorder such as low blood pressure...
Consuming stimulants such as caffeine may cause anxiety and shakiness, but many people use caffeinated products to increase alertness, particularly in the morning. Black tea, coffee, chocolate and certain types of colas contain caffeine, and if...
Blurred vision may stem from a number of eye conditions. You may have changes that come and go, relieved with a few quick blinks. Other causes of blurry vision may not have such an easy resolution. You may need a change in an eyeglass...
Vitamin D is a nutrient that helps your body absorb calcium and other nutrients that aid in bone growth and strength. You need vitamin D for cell growth and a properly functioning immune system. If you do not have enough vitamin D, you have an...
Many people experience natural vision changes, requiring an update in an eyeglass or contact lens prescription every year or two. In other instances, blurred vision may result from eye diseases such as macular degeneration or diabetic retinopathy,...
Magnesium is important to many body functions, including producing energy and keeping your heart rate steady. This nutrient also helps form the compounds that make up your bones and helps regulate your blood sugar. A deficiency is rare, but if you...
Potassium plays important roles in your body, including in the function of your heart and other muscles. If you have a low potassium level, a condition known as hypokalemia, you have an increased risk for serious health conditions, such as...
Glucose is the main source of energy production for your body. Your diet, specifically the carbohydrates you eat, enter your blood and allow your cells to take in the glucose they need to function. The carbs you consume directly affect your blood...
Many foods and beverages -- including coffee, tea and chocolate --contain caffeine. Although caffeine will not likely cause serious health complications, its use may cause symptoms such as increased heart rate, shaky hands and anxiety. Blurred...
Lexapro is a prescription medication used to treat major depressive disorder in adults and teens aged 12 to 17, according to the manufacturer. The drug has also been approved for the treatment of generalized anxiety disorder. Lexapro, generic name...
Low stomach acid, also known as hypochlorhydria, may stem from a medical condition or as a side effect of medications or surgery. You may experience bouts of both constipation and diarrhea, as well as have the urge to eat, even when you are not...
Diabetes causes higher-than-normal blood sugar levels, which can damage small blood vessels in the eye. Many people with diabetes suffer vision complications that develop slowly over the course of their disease. High blood sugar levels can also...
Whiplash is the term for the sudden jerking of the head in one direction and then in another. Whiplash is most common experienced after a car accident, however rough amusement park rides or severe shaking can also cause it. In addition to neck...
Patients should also consult a physician to investigate any changes in vision. Blurred vision, double vision and other complications can indicate an underlying disease. Changes to vision can impact the quality of life and in seniors it can result...
Dry eye and blurred vision are sometimes, but not always, related. Aging, dry air, wind, high altitude and overuse may cause dry eye, which in turn can lead to blurred vision; but blurred vision also is a symptom of other, sometimes serious,...
Although twitchy eyes or blurred vision while jogging could be caused by something as simple as particles flying into your eyes or allergies, eye problems during exercise can be symptomatic of a more serious problem. Talk to your doctor before...
Working out can cause some of your senses to numb as the intensity of exercise saps your mind's focus. But the development of blurry vision may be a concern all of its own. Although this might result from a normal eye condition, blurry vision...
Valerian, an herbal supplement made from the root of the plant, has sedative effects that make it an herb used for treating sleep disorders and anxiety but has no use in conventional medicine to treat vision problems of any type. Valerian may...
Chinese herbs treat blurred vision, improve night vision, slow the progression of glaucoma and cataracts and help keep the eyes healthy. The liver relates to the eyes in Chinese medicine, therefore many Chinese herbs for vision also nourish the...
If you experience frequent urinary urgency or find that you urinate more than eight times each day, you may have a condition called overactive bladder. Overactive bladder is typically the result of involuntary contractions of the bladder muscles,...
Blurred vision and a headache after your exercise session can indicate some serious medical conditions. Exercise can sometimes trigger a migraine so consult your doctor if you are prone to migraines. Otherwise, seek immediate medical attention for...
Vitamin E is a fat-soluble antioxidant that helps protect your cells, tissues and organs from free radical damage and aids in red blood cell formation. Despite these benefits, adults who take more than 1,000 mg of vitamin E may be at risk of...
Diabetes is a serious medical condition in which a person lacks insulin, or their body does not recognize its own insulin, which normally moves blood sugar from the blood stream into the cells where it is needed. Some diabetics take medicine,...
Urinary frequency, otherwise known as overactive bladder, is a condition that affects both men and women equally. According to urologychannel.com, 13 million Americans suffer from this condition each year. Those diagnosed with overactive bladder...
Caffeine is a popular way to help you wake up or stay up longer, but it may have negative side effects that can affect your vision. If you see zigzag flashing lights, you may have ingested too much caffeine, causing symptoms of an overdose. Stop...
An aura is a vision disturbance that is considered a warning sign of a migraine. The aura may occur in both eyes and include other symptoms. Auras do not occur with every migraine and in every sufferer. Auras typically develop 10 to 15 minutes...
Vertigo is often related to problems in the mechanics of the inner ear. Learn more about vertigo in this medical video.
Botulism is a rare but very serious condition. It's caused by toxin produced by bacteria called clostridium botulinum. The toxins that this bacterium produces are among the most poisonous substances. Learn about the different causes, symptoms, and...
Astigmatism is an eye problem that optometrists can correct with the right lenses. Get professional tips and advice on eye problems and optometry in this video.
