Mentally, you may still be feeding off the festive high, refusing to let your Christmas flame burn out by keeping your tree up and your lights turned on — or maybe you just haven’t gotten ...

According to the United States Fire Administration, holiday fires take the lives of  more than 400 people each year, injure four times that many and cause close to $100 million in property damage.

“What’s more, there is no easy way for consumers to tell if Christmas trees have been treated with flame retardant — and not knowing that could have serious, even fatal consequences,” the agency said.