Hospital authorities at Maricopa County Medical Center in Phoenix, Arizona reportedly locked up a 27-year-old tuberculosis patient in a jail cell after he failed to take precautions and was seen without a mask in public.

Robert Daniels, who is suffering from a drug-resistant strain of tuberculosis, or XDR-TB, has been in a ward equipped with a ventilation system since July 2006. The ventilation keeps germs from escaping as XDR-TB does not have any cure

Researchers have discovered a third type of twins called "semi-identical" twins that are somewhere between identical and fraternal twins. These rare twins are identical through their mother's side but share only half their genes on their father's side.

The "semi-identical" twins are the result of two sperm cells fusing with a single egg. This type of fertilization was not known earlier in twin births. The twins are chimaeras, which means they do not have genetically uniform cells, as each sperm has contributed genes to each child

A boy formerly known as Tim, now called Kim, became the world's youngest sex change patient at 12 years old. He had been diagnosed as transsexual by doctors and was given potent hormone injections to trigger the development of features such as breasts.

Tim had harbored deep feelings of claiming to be "in the wrong body" and rallied for the treatment

The damaging health effects of 9/11 haunt the country's heroes. One of those was Cesar Borja, a retired officer who breathed in toxins while assisting in the 9/11 efforts, who recently died of lung disease.

His 21-year-old son, Ceasar Borja Jr., received the call just before he was to attend the State of the Union Address in Washington, D.C. to address the medical issue that claimed his father's life. He had promised his family that he would share testimonies and personal experiences of the tragic lung crisis existing among thousands of others like his dad

Sen. Hillary Rodham Clinton has joined hands with the son of sick former New York City police officer Ceasar Borja, who is a victim of lung disease after having worked on the toxic pile of World Trade Center debris more than five years ago.

His 21-year-old son Ceasar Borja, Jr. is asking the government to do more for his father, who now needs a lung transplant. He came to Washington as the guest of Sen. Clinton to attend Tuesday evening's State of the Union address