Hay fever is a misnomer. Hay is not a usual cause of this problem, and it does not cause fever. Early descriptions of sneezing, nasal congestion, and eye irritation while harvesting field hay promoted this popular term. Allergic rhinitis is the correct term used to describe this allergic reaction, and many different substances …

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  There are a variety of ominous processes that cause low back pain, particularly in older patients (> 50). These problems carry significant morbidity and mortality and mandate a focused and rapid evaluation (including lab and imaging studies) different from what is required for the relatively benign processes described above. …