Lumpfish caviar is one of the less costly types of caviar, a delicacy made of salted fish eggs. The lumpfish is a thick-skinned, lumpy cold-water fish found mostly in the North Pacific, but also in the North Atlantic and Arctic oceans. Fish eggs, called roe, have important nutrients.

A combination of sweating, chills, fatigue and nausea symptoms can signal a wide range of medical conditions, from a passing virus to more serious, potentially life-threatening diseases. Contact your physician if you are experiencing these symptoms.

Herpes is a virus that can result in blisters and sores appearing on mucus membranes. Herpes typically affects either the mouth or the genitalia. Herpes usually causes its first outbreak shortly after infection, but the virus is never completely eliminated by the body, which allows it to cause additional outbreaks.

Concerns about over prescription of antibiotics are not new. In 2000, the Centers for Disease Control and Prevention issued a warning about overusing antibiotics. In November 2010, the organization urged consumers to learn about the proper use of antibiotics.

Being tired and having lack of stamina and energy can be a healthy response to emotional or physical exhaustion. If you know what is causing you to feel worn out you may be able to fix the problem with a few simple tweaks to your daily habits.

The thymus is a vital organ for the proper development of the immune system of newborns. With the immune system compromised, newborns with a dysfunctional or non-working thymus are prone to infections and disease. As you age, the thymus reduces in size and becomes weaker.

Physical exhaustion may be accompanied by many symptoms. According to a New York Times article published online in February 2008, fatigue or exhaustion is one of the most common health problems and can signal the presence of various medical problems.

Heavy lifting, poor sleep or a particularly tough workout can lead to aching joints, generalized body pain and fatigue. But these common symptoms may actually reflect a medical condition when they are severe and persist.

Your lymph nodes, located primarily on either side of your neck, under your chin and in your armpits and groin, are usually not noticeable. If yours become swollen, they might indicate either a passing infection or serious chronic disease.

For the more than 1 million Americans living with HIV, the social effects of this diagnosis can be distressing and disruptive. Infection with HIV can lead to AIDS, if left untreated. Prior to the introduction of combination antiviral therapy in the mid-1990s, an HIV diagnosis was more intimidating and life-threatening.

If you have a head cold or other viral infection, you may feel swollen lymph nodes on the sides of your neck. This is a positive reaction that signals your lymph nodes are functioning to fight off the infection. Other causes of swollen lymph nodes are exposure to bacteria and may result in more serious conditions.

When most people think of bacteria, they picture disease-causing organisms and the need to fight infection. Although there are many types of harmful bacteria, the body contains many forms of helpful or “friendly” bacteria in the intestinal tract.