A closely watched clinical trial in Britain that screened blood for early detection of cancer did not show a reduction in ...

Researchers at Örebro University have identified blood markers that can indicate who is at risk of developing ulcerative ...

Easier than a blood test, saliva tests have the potential to detect cavities, infections and even cancer. But a lack of insurance coverage and other obstacles stand in the way of wider use.

Q: Rambo, my 2-year-old cat, was breathing fast during his annual wellness exam. His veterinarian said his rapid breathing could be due to stress, heart disease or a respiratory condition such as ...