Health authorities in the U.S. are worried over the exposure of many air passengers and crew on two trans-Atlantic flights to a rare form of Tuberculosis earlier this month after a man with this contagious disease traveled by air.

The infected man, who has been placed in quarantine by the U.S. government, flew from Atlanta to Paris on May 12 aboard Air France Flight 385. He returned to North America on May 24 aboard Czech Air Flight 104 from Prague to Montreal

You can view human bodies that have been donated for exhibition into anatomically preserved states currently on display at the Museum of Nature and Science in Dallas, TX through May 28.

The process is called "plastination," in which body fluids are replaced with a liquid plastic to preserve the body

West Nile virus is killing many of America's favorite backyard warblers, along with crows, blue jays and other birds. The virus is the most important mosquito-borne illness reported in years. Although it primarily affects birds, it affects people too. Transmission of the disease in North America has resulted in an estimated 280,000 illnesses, over 26,000 reported cases and 996 human deaths.

Scientists at the Consortium for Conservation Medicine (CCM), based at Wildlife Trust, New York and the Smithsonian Institution's Migratory Bird Center found that many species of birds enjoyed by birders, including backyard favorites such as tufted titmice and chickadees are suffering significant declines in population because of the West Nile Virus

Recent research has found that more women than men have been diagnosed with multiple sclerosis over the past few decades. The study found that the two to one ratio of women to men with the disease in the United States in 1940 has grown to approximately four to one in 2000.

The results of the study will be presented at the American Academy of Neurology's 59th Annual Meeting in Boston, from April 28 to May 5

The New York State Department of Agriculture and Markets said Friday that rat poison found in pet food is the possible cause of the deaths of at least 16 cats and dogs in some countries.

The toxin, which is identified as aminopterin, is used to kill rats in some countries but is not registered for that use in the United States. However, the officials from the manufacturer Menu Foods, which recalled the food some time ago, say it is still not able to find out how it got into the pet foods