These 12 Heartbreaking Parenting Stories From 2017 Will Make You Squeeze Your Loved Ones Tighter

After losing their 10-year-old daughter, Olivia Hope Dennis, to a fatal asthma attack, Lisa and Lee Dennis made a heartbreaking video to warn parents of just how dangerous an untreated asthma attack can be. Lisa cautioned parents about the danger of taking breathing issues lightly, saying, "Everyone needs to look at their children — especially anyone with an inhaler — because asthma is a killer. And I think doctors need to recognize that and make families aware because this is serious, desperately serious."