Startups are showering employees with wild perks, from MRIs to 'pawternity leave'

Adobe; Getty Images; Pedro Nekoi for BI

Two years ago, Erika Burghardt got into an MRI machine. She didn't think she was sick — the hourlong full-body scan was preventive, to search for cancer, aneurysms, and medical conditions that people often don't know they have until they feel symptoms. She had a stopper in one hand in case she felt panicked, while she watched "Sex and the City" on a screen above her.