Caution Urged in Use of Flea, Tick Products for Pets
In the wake of mounting reports of adverse pet health effects, the Environmental Protection Agency has issued new restrictions on spot-on flea and tick products -- and urges extra care in their use.

New Genetic Autism Test Beats Older Tests
A new genetic test for autism, known as chromosomal microarray analysis (CMA), finds more genetic abnormalities than two older tests, a study shows.