Now that we’re relishing our post-shutdown freedom, we’re making the most of the season of barbecues, picnics and other outdoor fun with friends and family members. That’s all good, but it also means that we’re at increased risk for summer bummers such as splinters, sprains and burns. When it comes to treating injuries like these, the strategies our parents used may no longer be the right things to do. In some cases, old wives’ tales have been debunked; in others, doctors have found better, evidence-based treatments.