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Thyroid hormones regulate metabolism—the way the body uses energy—and affect nearly every organ in the body.

 Thyroid hormone helps the body use energy, stay warm and keep the brain, heart, muscles, and other organs working as they should.

Have your doctor run the following tests, all of which can be obtained through a simple blood draw.

According to the Office on Women’s Health, more than 19 million new sexually transmitted diseases (STDs) occur each year in the United States.

Most people think they would know if they had a sexually transmitted infection (STI) . . . wrong!

Save 10% with promo code STD10.  This offer expires 11/30/14.

Diabetes is a complex group of diseases with a variety of causes.

There are several ways to diagnose diabetes. Each way usually needs to be repeated on a second day to diagnose diabetes.

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Drug abuse costs American industry over $140 billion annually. Employee drug abuse causes as much as 50% of all on-the-job accidents.

The prospect that your teen could be using drugs is perhaps one of the scariest things imaginable, and often leads us to look for evidence to the contrary.

Lyme disease is an infection spread by the bite of certain types of ticks. If caught and treated early, the infection most often clears quickly.

Use promo code LYMED10 to save.  Offer expires August 31, 2014.

Order the new Alcohol ETG Urine Test from the drug testing category.

Order new Ritalin tests from the Drug Testing category

Men spill it and seal friendships with it, but blood also tells a detective story.

Making the decision to have a PSA test depends on a variety of factors. Here are some tips that can help you make a good decision.

Let's schedule some blood work." Most people hear that from their doctor every so often, but what exactly does "blood work" entail?

As you get older, your health needs change. Are you and your doctor keeping up? From STD tests to colonoscopies, here are the most important health tests for women.

Most STDs/STIs can be "silent," causing no noticeable symptoms. These asymptomatic infections can only be diagnosed through testing.

This year alone, 19 million Americans will be infected. Half of all sexually active people will contract an STD by the time they're in their mid-20s.

While knowing your cholesterol levels provides important information, there are other indicators of heart and circulatory system health that are currently available and equally important as well.

The VAP test can analyze cholesterol beyond the total cholesterol, LDL and HDL levels.

New blood and urine fluoride testing is available from Request A Test.

Let's schedule some blood work." Most people hear that from their doctor every so often, but what exactly does "blood work" entail?

So which blood tests are critical for you to take? We gathered the evidence here to help you plan for your doctor visits in the coming year.

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If you're sexually active, particularly with multiple partners, you've probably heard the following advice many times: Use protection and make sure you get tested.

It is a good idea to get yourself an STD test on a regular basis.

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Have your doctor run the following tests, all of which can be obtained through a simple blood draw:

Blood tests help doctors check for certain diseases and conditions. They also help check the function of your organs.

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This test provides two measurements to help monitor your ability to manage blood sugar levels.

Use promo code HEART10 to save 10%.  Offer expires Sept 30, 2013.

Antibody tests can sometimes be used to help identify Lyme disease.

Lead exposure from Firing Ranges can be monitored through periodic blood testing.

Annual blood testing is the most important step aging adults (25yr olds and above) can take to prevent life-threatening diseases.

Screening tests can find diseases early when they are easier to treat. These tests can save your life.

Request A Test has launched a new category for Stool Testing.  These tests are important for aiding in the diagnosis of digestive disorders. 

A person seeking diagnosis MUST be following a daily diet that contains gluten for at least 4 weeks in order for test results to be accurate.

What are the appropriate screening tests for celiac disease? The tests of choice are antibody measurements in the blood, ideally performed before the patient has removed gluten from the diet.

Use discount code CELIAC10 to save 10% on all Celiac orders.  Offer expires May 31st, 2013.

To many Americans, tuberculosis may seem like an obscure disease...

Tuberculosis is a disease that is spread through the air from one person to another.

The Centers for Disease Control (CDC) has released its new TB guidelines...

Order now to save.  Offer expires 3/31/13.

Order today for affordable prices and convenient testing options.

Use dicount code Heart10 to save.  This special offer expires 2/28/13 so order soon.

You may not know it now, but one day soon your C-reactive protein level may be as familiar to you as your cholesterol numbers.

The key to preventing cardiovascular disease is managing your risk factors.

Various tests are used to diagnose heart disease.

CRP testing can help evaluate risk for heart attack.  Save with promo code GWELL10.

Use promo code GWELL10 to save.  Hurry, this offer expires 1/31/13.

This offer expires 1/31/13.  Order now to save.

STD tests are something no one likes to talk about

Doctors have their own opinions about who should be tested..

The A1C test is a blood test that provides information about a person’s average levels of blood glucose.

Thankfully, testing for type 2 diabetes is lot easier now

What's your A1c?

Medical screening tests are a great way to keep on top of your health.

Suck in and measure your waist at your belly button. It should ideally be less than half your height

The higher your blood cholesterol level is, the greater the chance of developing heart disease.

The importance of cholesterol screening hit home with me recently as a member of my family suffered a heart attack.

The only way to be absolutely certain about what vaccinations you’ve received is...

I'm unsure of my current immunization status. How can I tell if I'm immune to a disease?

Only a quarter of US individuals in the generation most likely to have hepatitis C have been tested

The federal government has called for all baby boomers to be tested for hepatitis C

Health officials have recommended that all pregnant women be tested for type B hepatitis

A recently published report by the CDC includes some good news...

Getting tested for HIV can be scary...

In honor of National HIV Testing Day, Request A Test is offering discounted HIV testing June 16 through June 30, 2012.

Lyme disease tests are used to determine if a person with characteristic symptoms has been infected by Borrelia burgdorferi.

Lyme disease is caused by bacteria called Borrelia burgdorferi. Blacklegged ticks carry these bacteria.

Lyme disease has many nonspecific symptoms that often are found in other conditions.

Celiac disease is suspected when individuals have signs or symptoms of malabsorption or malnutrition.

Something you're eating may be killing you, and you probably don't even know it!

Celiac disease is often misunderstood and misdiagnosed.

Sexually transmitted diseases (STDs) can be transmitted without sex, that is, without intercourse.

Sexually transmitted infections (STIs) are some of the most widespread infections both in the United States and the world

Tests for chronic kidney disease are vital to help find out:

Diabetes and high blood pressure are common causes of kidney disease.

GFR - glomerular filtration rate is the best test to measure your level of kidney function and determine your stage of kidney disease.

Ninety-nine percent of heart disease is preventable by changing your diet and lifestyle.

A number of new screening methods are available to spot heart trouble ahead.

Diagnosing early heart failure can be a challenge.

New study finds breast cancer patients more likely to have benign thyroid disease and may benefit from thyroid testing. Read article courtesy of Request A Test today.

Be proactive and stay informed. Learn what hypothyroidism is and what prominent organizations say about getting routine testing. Visit Request A Test today.

Non-prescription "thyroid support" dietary supplements commonly used for weight loss and fighting fatigue are mostly ineffective and may pose a health threat, a new study warns

In patients with depression, anxiety and other psychiatric problems, doctors often find abnormal blood levels of thyroid hormone.

Google "thyroid disease" and you'll find well over five million references.

And that's precisely the problem, says thyroid expert Sara Rosenthal.

Doctors have their own opinions about who should be tested for which sexually transmitted disease (STD), but it's really up to you.

The word "test" makes most people cringe. Images of grammar school, pop quizzes, and the SATs come to mind.

A decade ago, the sexually transmitted disease syphilis was on the verge of elimination.  Today, a new study by the U.S. Centers for Disease Control and Prevention (CDC) shows a 39 percent increase in the disease from 2006 to 2009, with most new cases appearing in young black men.

Wonder how often you should be tested for STDs? This article can help you decide. Keep on top of your health with confidential STD testing from Request A Test online.

Confidential and pain-free STD urine testing does exist. Learn more now because untreated STDs can cause irreversible damage, even for men. Get urine testing info.

Learn the similarities and differences of Hepatitis A, Hepatitis B and Hepatitis C and why you should test. Confidential online hepatitis testing is available. Get info.

An estimated 366 million people worldwide now suffer from diabetes and the global epidemic is getting worse, health officials said Tuesday.

Parents want to protect their kids from everything, which is virtually impossible, of course. But can you prevent your child from getting diabetes?

The number of adults with diabetes in the world has more than doubled since 1980, a study shows.

Celiac disease testing can identify if gluten is your body’s enemy. Learn about celiac disease and why testing is important. Visit Request A Test today.

Glucose testing can help identify diabetes risks. Do you know where your health stands with the national diabetes epidemic? Get info about online glucose testing.

It took three decades to figure out what was making Donna Sawka so sick. 

Complaints of celiac disease are on the rise in the United States, with more and more people growing ill from exposure to products containing gluten.

Celiac disease is often misunderstood and misdiagnosed. Yet, experts believe that nearly one in 100 people may have this autoimmune ailment, which is triggered by exposure to the protein gluten in wheat and similar proteins in rye and barley. People with celiac disease, or CD, have a genetic predisposition to the illness.

Learning your cholesterol numbers -- the good, the bad and the total -- is a well-established part of the annual physical exam.

It may surprise you to know that cholesterol itself isn't bad. In fact, cholesterol is just one of the many substances created and used by our bodies to keep us healthy.

People who exhibit any range of symptoms associated with celiac disease after eating gluten should be tested as soon as possible. Early detection can help prevent serious complications such as lymphoma and gastrointestinal cancer, the latter of which has an increased chance 40 to 100 times that of the normal population.

The month of August is the most practical time to promote immunization awareness because children are going back to school, older students are entering college, and healthcare workers are getting ready for the upcoming flu season. Before vaccinations were available, children were disproportionately affected by mortality rates associated with tuberculosis, polio, smallpox and many other diseases that can now be prevented.

As one of five known hepatitis viruses that infect the liver

Throughout life, we contract or are exposed to numerous infections.

Hepatitis B is the most common serious liver infection in the world.

With summer upon us, ticks are out again,

Lyme disease gets its name from Lyme, Connecticut

Lyme disease is the most common tick-borne disease in America, with 16,000 new cases reported each year.

With the demands of work, family, and other activities, it's often difficult for people to find the time to exercise and eat right.

When you think of testosterone, what comes to mind? Macho men? Aggressive, impatient, type A behavior? Road rage? Violence?

Request A Test, Ltd., a privately held business offering direct-to-consumer lab screenings in a rapid, discreet and affordable way, has just announced the addition of prenatal and thyroid testing to its list of screening services.

Earlier this year, I had my vitamin D level checked for the first time in my life.

Medical screening tests are a great way to keep on top of your health.

A recently published report by the US Centers for Disease Control and Prevention (CDC) includes some good news

If you've decided to get pregnant, you may already be emotionally prepared to have a baby.

Hepatitis is a general term that means inflammation of the liver.

Triglycerides are a type of fat derived from the food we eat.

The chances of HIV being transmitted from an HIV+ person to an HIV-negative person depends on the type of contact.

Better treatments are extending the lives of people with HIV,

I was asked the other day if I recommended sexually transmitted disease (STD) testing before sex for older couples. The answer is a firm yes!

With over 1.2 million cases reported annually, Chlamydia trachomatis infection (chlamydia) is

“How could this happen to me?” Anyone can be infected by genital herpes very easily,