2010 Hospital Design People's Choice Award entry: Happy Tails Pet Clinic floor plan (large photo)

Lean-fed Labrador retrievers had a lower estimated biological age than heavier littermates by midlife. The lean-fed dogs also lived nearly 2 years longer.

The line targets horses with limited pasture access, chewing difficulties, or specific starch and sugar needs, and can stand in for some or all hay depending on the formula.

Senior pets rarely come in with just one problem. Nutrition that addresses cognitive decline, joint pain, and coexisting conditions together can help keep aging patients sharp, mobile, and engaged.

A new analysis detected heavy metals, glyphosate, and plastic-related chemicals in nearly all of the cat foods tested. This slideshow breaks down the findings, what they may mean for cats, and what remains unclear.