People with hypothyroidism who are undertreated are at increased risk for longer hospital stays and higher rates of readmission, a new study warns. In people with hypothyroidism, the thyroid gland does not produce enough thyroid hormone. It’s common in the United States, and millions of patients take thyroid hormone replacement medications. But treatment can be…  read on >  read on >

For the past couple of centuries, humans have been breeding dogs to meet specific physical characteristics — to make Golden Retrievers fluffy, to make Rottweilers muscular, or to make Chihuahuas tiny. Dog enthusiasts have thought they also were passing along specific behavioral traits within breeds, giving rise to certain stereotypes — Golden Retrievers are affectionate…  read on >  read on >

If longevity were a priority when choosing a pup, Jack Russell terriers and Yorkshire terriers would be top picks. Those little dynamos have the longest life expectancy of a host of common dog breeds, according to a new study by Dr. Dan O’Neill, an associate professor of companion animal epidemiology at the Royal Veterinary College…  read on >  read on >

An experimental vaccine given during pregnancy has shown early promise for protecting infants from a potentially severe respiratory infection. The vaccine, being developed by Pfizer, aims to protect babies from respiratory syncytial virus, or RSV. Most of the time, RSV causes nothing more than a cold. But it can lead to serious lung infections in…  read on >  read on >