If something is useful, trendy or enjoyable, you can count on injury researchers at Nationwide Children's Hospital to suck the fun out of it.

If something is useful, trendy or enjoyable, you can count on injury researchers at Nationwide Children's Hospital to suck the fun out of it. Here are a few of their victims, including their latest target, baby strollers, the focus of a study released in August.

Baby Strollers

Year: 2016

Findings: About 50 children a day end up in hospital emergency rooms as a result of stroller or baby carrier accidents.*

Bathtubs

Year: 2009

Findings: More than 80 percent of bathtub- and shower-related injuries to kids are slips, trips or falls.

Zip lines

Year: 2015

Findings: As the aerial activity has gained popularity, so have injuries-more than 3,600 in 2012 alone.

Bookshelves

Year: 2009

Findings: About 15,000 children are injured annually when bookshelves and other large pieces of furniture fall on them.

School Buses

Year: 2007

Findings: More than 10,000 children in Ohio are involved in school bus crashes annually.

Bounce Houses

Year: 2012

Findings: About 30 children every day are treated in ERs forinjuries suffered in the inflatable rumpus rooms.

Handlebar Mustaches

Year: Soon?

Findings: Surely this trend is hurting someone. Get on this, NCH. It's for the greater good.

*All stats are national unless otherwise stated.