Vitamins and supplements like melatonin and fish oil offer health benefits but can cause side effects if misused. Learn about the impact of saw palmetto on blood pressure and find the best multivitamins for young women and adults over 50.
Many people experience an occasional eyelid twitch, a muscle spasm in the levator muscle that raises and lowers your eyelid. This condition may occur for a number of reasons, but it does not have a known connection to a high intake of vitamin D, a nutrient necessary for body functions and bone strength.
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Magnesium plays essential roles in the functioning of cells, tissues and organs throughout your body. If you do not have an adequate magnesium intake, either through diet or supplements, you will have an increased risk for a deficiency.
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Spasms in your throat may stem from contractions in the neck muscles, but this sensation may also occur from a spasm in your vocal cords. In either case, you may experience discomfort and have difficulty talking or breathing.
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Muscles in your eyelids control the movement of your lids, and if you have a spasm in one of these muscles, you might experience an eyelid twitch. If this occurs, you might feel your eyelid twitch uncontrollably, but observers cannot usually detect the twitch.
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A number of vitamins make up the vitamin B complex of nutrients, and these vitamins play a crucial role in how your body develops and functions. These nutrients play an important part in the regulation of chemical processes, such as converting food into energy.
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Blood vessels in the eye may leak and, depending on the location of the hemorrhage, you may not physically see the bleed.
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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, serious eye conditions that could lead to permanent vision loss.
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Light entering your eye passes through a natural lens located behind your iris. As you age, the lens might cloud up, turning hard and slightly yellow. These changes, called a cataract, will affect your vision, resulting in slow changes to near and distance vision.
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High eye pressure does not necessarily indicate you have glaucoma. Doctors diagnose this eye disease when you have a high pressure that damages the optic nerve, the structure of nerve fibers at the back of your eye.
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Vitreous humor is the fluid that fills the back section of your eye. This thick, gel-like substance helps your eye maintain shape and also helps protect the structures within the eye. As you age, the vitreous may break down and clump together.
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Your cornea is the clear, round dome of tissue that covers the front of your eye. One corneal condition, keratoconus, occurs when the tissues of the cornea break down. This condition results in the cornea changing shape, becoming a pointed cone shape.
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Pink eye is an eye infection also known as conjunctivitis, and the condition may result from bacteria, a virus or fungus. Symptoms include redness, itching, scratchiness and tearing. Some people may also have swollen eyelids and a thick discharge with the infection.
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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 irregularities in your heart rate.
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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 have a risk for low levels, you should know the symptoms.
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Eye infections may occur on the front surface of your eye or the tissues inside your eye. Pink eye is one of the most common eye infections. This infection involves the thin tissue that covers the white of your eye. Your doctor may have you begin eye drops or other treatments for an infection.
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Iron has many functions in your body, such as moving oxygen and regulating the growth of your cells. Some people experience iron deficiency, and low levels of iron can lead to tiredness, poor immune system function and slow mental function.
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Vitamin B-12 is a nutrient your body requires for proper function. Among the many roles of B-12, this vitamin helps form your red blood cells and aids in your neurological processes, explains the Office of Dietary Supplements of the National Institutes of Health.
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