Thousands of drug tests are performed every day throughout the United States and the world. In the employment field, drug tests may be given for pre-employment consideration or randomly throughout the time you remain employed with the company.

The U.S. Food and Drug Administration banned fruit and candy-flavored cigarettes under the Family Smoking Prevention and Tobacco Control Act of 2009, but it did not ban other flavored tobacco products such as flavored smokeless tobacco or flavored cigars such as Black & Mild.

Hyperkalemia is a condition in which the levels of potassium in the bloodstream are abnormally high. There are many causes for hyperkalemia, mostly related to kidney disease because this organ helps control the levels of potassium in the body, and to hormonal causes.

A tooth abscess, canker sores, inflammation of the gums and build-up of oral bacteria can cause mouth infections. You can make a number of preparations at home to help prevent mouth infections. Before using herbal preparations, you should consult your doctor.

The bite-size Snickers bar, also known as Snickers Miniature, is the smallest offering in the Snickers candy bar family. Bite into a bite-size Snickers bar for a tiny treat that packs bite-sized calories.

Nicotine, a powerfully addictive stimulant, is the primary compound responsible for tobacco's psychoactive effects. According to the National Institutes of Health, symptoms of nicotine withdrawal can be severe; many people are unsuccessful in their first attempts to stop smoking.

The knee is the largest hinged joint in the body and knee problems are common. A 2006 Center for Disease Control and Prevention survey showed that 30 percent of adults reported pain in the previous 30 days, with 18 percent complaining of knee pain and stiffness.

A stroke is a debilitating attack that strikes the brain, but can affect the whole body. A stroke can be caused by a clot or a hemorrhage in a blood vessel in the brain, and when blood supply is cut off, serious damage is done to the brain.

For many people who suffer from mental-health disorders—especially those who experience anxiety—insomnia often goes hand-in-hand with a diagnosis.

According to University of Alabama Medical School Professor Richard Whitely in the 2008 edition of “Harrison’s Principles of Internal Medicine,” chicken pox strikes 90 percent of people before the age of 15.

Tonsillitis, a common condition often referred to as a sore throat, is an inflammation of the tonsils caused by either a bacterial or viral infection. Treatment depends on the cause and usually is delayed until lab test results are known.

The definition for impotence varies slightly among professionals, but it is generally considered to be the inability to achieve and maintain an erection sufficient for intercourse. A woman or man considering whether her or his boyfriend is impotent may be reluctant to initiate discussion about the issue.