that the practice is usually unprofitable; it is to he regietted that his knowledge of this truth dul not teach him prudence enough not again to attract attention to a history of malaria which will pass without censure, only when it passes without observation. To this I shall refer again, but first I must deal with Major Ross's remarks on the statements relating to Sir Patrick Manson. Major Ros...

Testicular cancer is the most common cancer in young men (ages 15-45). In the testes, cancer of the germ cells (immature sperm) is by far the most frequent, though cancer of the testosteroneproducing Leydig cells can also occur. Fortunately, treatment for testicular cancer has markedly improved over the past several decades, and the disease is frequently curable with combinations of surgery, ch...

John Allen Paulos’ latest book Irreligion: A Mathematician Explains Why the Arguments for God Just Don’t Add Up [11], contains rather little mathematics. Yet the title is not terribly misleading: the book’s style would, in case we didn’t know that the author is a mathematician, hint strongly in that direction. Paulos’ basic strategy for analysis of arguments bears clear signs of a mathematical ...

Brain tumors may involve either the spinal cord or brain, and include a variety of cell types that have different patterns of occurrence, different outcomes, and may have different causes. The most common types of brain tumors are gliomas, arising from structural, non-neural cells in the brain, and accounting for about 60% of primary malignant brain tumors overall. These cancers are frequently ...