Lyme disease is seeing an upswing. But the-now widespread condition was not formally described until 1977, based on a case in Old Lyme, Connecticut.

The first baths weren't about getting clean or relaxing. In the 1860s, experts agreed that the best kind of bath was a brief plunge in cold water.

Trying to bring down that fever? Studies show that most fevers are actually integral to effective immune responses.

A patient was convinced that her runny nose indicated a deeper problem. She was right. Her case brought cerebrospinal fluid into the national spotlight.

Henrietta Lacks's "immortal" cell line, called "HeLa," is used in everything from cancer treatments to vaccines. A new portrait memorializes her.

Researchers found that Psilocybin and other hallucinogens may prove helpful in their ability to quiet a portion of the brain connected to depression.

3D printing has evolved far beyond printing out a simple item using plastic. For example, scientists Jody Connell and colleagues described an innovative use of the technology to create three-dimensional bacteria cultures.

Fancies breed strange children.

Medical cures are usually too good to be true. Numerous doctors wrote to the prestigious British Medical Journal, reporting on their prescription of raw meat juice to patients.

More than one self-experiment has resulted in a Nobel Prize. Against all odds, and sometimes in spite of the damage they cause, these crazy gambits pay off.