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People worry about contracting Lyme disease from ticks, but they should be concerned for their furry friends as well, veterinarians say. Dogs throughout the United States are increasingly vulnerable to the tick-borne illness, say experts from the Virginia-Maryland College of Veterinary Medicine at Virginia Tech. Lyme disease was traditionally thought to be limited mostly to…  read on >  read on >

Researchers have conclusively identified the genetic cause of a rare, progressive movement disorder. A rare extra-long version of a gene appears to cause nerve cells to become poisoned by toxic proteins in people with spinocerebellar ataxia 4 (SCA4), researchers report. SCA4 causes muscle weakness and difficulty coordinating body movement, most notably resulting in a jerky…  read on >  read on >

Bits of bird flu virus have been discovered in roughly 20% of retail milk samples tested in a national survey, the U.S. Food and Drug Administration said Thursday. The finding suggests that bird flu has spread far more widely among dairy cows than officials first thought. Samples from parts of the country that have infected…  read on >  read on >

Want to live longer? Choose the stairs over the elevator, a new review suggests. Folks who regularly climb stairs have a 24% reduced risk of dying from any cause, and a 39% reduced risk of dying from heart disease, compared to those who always take the elevator, researchers found. Stair climbing also is associated with…  read on >  read on >