red meat

Perhaps the strangest medical phenomenon discovered in recent years is a link between the lone star tick and an allergy to red meat.

The bite of a lone star tick exposes a person to a small carbohydrate called alpha-gal. In a handful of people, this exposure elicits an abnormal immune response that produces a type of antibody called IgE, which causes allergies. Because red meat also contains alpha-gal, people who have been sensitized to the carbohydrate from a tick bite can develop life-threatening anaphylaxis if they consume pork or beef. 

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Nowadays, people are becoming nutrition savvy and choosing healthier foods. Particularly in the Western world, the quest for the ideal weight-loss-diet is driving the popularity of a high-protein/low carbohydrate lifestyle. 

The importance of protein for muscle-building and cell functions was discovered in the 1830's, but there is still some controversy regarding what is considered an ideal source of protein for overall health.  

What we know for sure is that humans cannot produce all the components of protein (amino acids) and must rely on food to meet the body’s protein requirement.  Protein is in many food sources, i.e., plants (grains, nuts, beans, and legumes) or animal products (dairy, eggs,...

Summer lunch with spring vegetables, cherry tomato & steakIn an illuminating essay in the New York Times, Dr. A.E. Carroll, professor of pediatrics at Indiana University School of Medicine, dissects the current tendency to point at one class of nutrients as being the bad one responsible for most of the current diet-related ills. Thus, at various times in the past few decades, fats,...