Medical advances are making it increasingly common for Americans to be diagnosed with a rare disease — but some of these conditions are so unusual that they can generate national headlines when a ...

A file photo of Lalit Patidar, a schoolboy from India, who suffers from Werewolf Syndrome. Spanish health authorities have issued an alert after more than a dozen children developed the rare condition ...

We can readily understand why investors are attracted to unprofitable companies. For example, biotech and mining exploration companies often lose money for years before finding success with a new ...