Listeria monocytogenes, or Listeria for short, is a bacterium that causes an infection called listeriosis. Recently, Sabra Dipping Co. voluntarily recalled 30,000 cases of its Classic Hummus because of possible Listeria contamination.  Just prior to that, several people became infected with Listeria due to contamination of Blue Bell ice cream.   As of this writing, no…...

Cigarette smoking, obesity, and alcoholism are all well-known causes of premature death.  Recently, two closely related risk factors---social isolation and loneliness---have also been identified as being important in causing early mortality.  Social isolation can be characterized by living alone, having few social network ties, or having infrequent social contact. These issues are considered to be…...

Osteoarthritis (OA) is the most common type of arthritis affecting up to 27 million Americans.  In OA, cartilage that lines the joints breaks down.  With loss of this natural cushion, the bones begin to rub together, damaging the joint. Symptoms of osteoarthritis include pain, swelling and reduced range of motion.  OA can develop in any…...

Skin cancer is the most common form of cancer in the United States, occurring in over 3.5 million people each year.  Three of the most common types of skin cancer are squamous cell carcinoma, basal cell carcinoma, and melanoma.   Of these, the least common, but most serious is melanoma. What is melanoma?---Melanoma is a cancer…...

The term “gluten-free” is increasingly being seen attached to foods in restaurants and grocery stores throughout the U.S.  Even food items such as bottled spring water, fruits and vegetables, and eggs are being labeled "gluten-free" without ever containing gluten to begin with.  With millions of Americans making a change to eating gluten-free products, what are…...

Metabolism comprises a number of biochemical processes that are necessary to maintain life.  One type of metabolism (catabolism) produces energy by breaking down complex molecules. The breakdown of carbohydrates during digestion is an example of a catabolic process.  The other type of metabolism (anabolism) is constructive, such as when muscle mass is increased. Anabolic processes…...

In recognition of Lyme Disease Awareness month this May, the Centers for Disease Control and Prevention (CDC) encourages Americans to learn about this common tick-borne disease and take steps to protect themselves if they live in or visit areas with Lyme disease activity.  Statistics from the CDC indicate that there has been a progressive rise…...

Bioclimatology is the study of climate in relation to living organisms, in particular the way in which weather conditions can affect human health.  While this would seem to be a relatively new science stemming from concern regarding environmental deterioration, the relationship between atmospheric conditions and health was touched on over 2,000 years ago by Hippocrates…...