Lear about the sweat chloride test used to diagnose cystic fibrosis, a genetic disease common in Caucasians.

Hyponatremia or low sodium levels in the blood can result in signs and symptoms like headache, confusion, seizures, weakness, restlessness, and muscle spasms. Kidney or congestive heart failure, hypothyroidism, cirrhosis, medications, or strenuous exercise without electrolyte replacement can cause hyponatremia. Treatment for hyponatremia are diet changes and electrolyte replacement with an IV.

Read about blood electrolytes (sodium, potassium, chloride, and bicarbonate) and the effects of electrolyte imbalances like kidney failure, low blood pressure, hypokalemia, and hyperkalemia.

Learn about the DASH diet for high blood pressure. The DASH diet includes eliminating high salt, fat, and sugary foods and drinks from the diet (for example, meat dishes, pizza, soups, prepackaged foods), and replacing them with healthier options.

Worried about bisphenol A (BPA) and other plastic chemicals? Read about types of plastics, how they're made and what the resin identification (recycling) numbers mean.

Read about hyperhidrosis (excessive axillary, palmar, plantar sweating) treatment (antiperspirant, Botox, surgery), a sign of, and causes. Find out how to put a stop to sweaty palms (hands), feet, and underarms.

A muscle cramp is an involuntarily contracted muscle that won't relax. Get information on muscle cramps (charley horses), including leg cramps, causes (vitamin deficiency, drugs, lactic acid, dehydration, low calcium, potassium or magnesium), treatment, home remedies, and prevention.

What are the early signs of congestive heart failure? Congestive heart failure is a heart condition that causes symptoms of shortness of breath, weakness, fatigue, and swelling of the legs, ankles, and feet. There are four stages of the disease. Treatment options include diet, medication, exercise, and weight loss.

Get the facts on artificial sweetener types like Splenda (sucralose), Sweet'N Low (saccharin), Equal and NutraSweet (aspartame), acesulfame K, and neotame.

Atrial fibrillation (AFib) is an abnormal heart rhythm that causes an irregular and rapid heartbeat. Medications to treat AFib include beta-blockers, blood thinners, and heart rhythm drugs. AFib medications can cause side effects.

Many common eye disorders resolve without treatment and some may be managed with over-the-counter (OTC) products. It's important to visit a physician or ophthalmologist is the problem involves the eyeball itself or the condition hasn't improved after 72 hours of use of an OTC eye care product.

Narcolepsy is a neurological order with symptoms like cataplexy (a debilitating condition in which a person collapses after strong emotions) and hallucinations. Treatment depends upon the severity of the symptoms of narcolepsy, but usually it is treated with drugs. The causes of narcolepsy are not clearly understood.

Learn about the causes of anal and vaginal itching, like pinworms, diarrhea, psoriasis, anal fissure, hemorrhoids, skin tags, yeast infection, diabetes, and HIV. Plus, read about treatment options, causes, diagnosis, and home remedies.

Read about meniscus tear surgery and recovery time and other forms of treatment. Symptoms of a torn meniscus include popping, clicking, and joint pain. MRI and knee arthroscopy surgery are used for diagnosis.

Use this list of common medical abbreviations and terminology used by doctors, medical specialists, RNs, PAs, and other health-care professionals to help you read and decipher the information on your prescriptions and doctors' medical notes.

Diuretics: FAQs - Information on diuretic drugs and the diseases and conditions they are prescribed for; high blood pressure, kidney disease, heart disease, osteoporosis, kidney failure, cirrhosis, and glaucoma. Including uses, types, side effect, and drug interaction.

Information about antacids used to treat heartburn, gastritis, esophagitis, duodenitis, ulcers, calcium deficiencies, hyperphosphatemia, low phosphate levels, and postmenopausal osteoporosis. Including side effects, types, uses, and drug interactions.

Learn about sleep disorder drugs (hypnotics/sedatives) side effects and their uses for insomnia, anxiety, narcolepsy, prevention of seizures, muscle spasms, restless leg syndrome, and periodic limb movement disorder. Learn about 7 types, side effects, uses, and drug interactions.