Ah, summer. Sunshine, fresh air, a romp at the beach. Ugh, summer. Sunburns, heatstroke, and those headaches that feel like someone’s using a blacksmithing anvil and hammer right inside your skull. When you have a headache, fever, or aches and pains, the easiest and quickest fix is to reach for that bottle of painkillers. One of the most popular headache relievers in America, and many other places in the world, is acetaminophen. The main ingredient in Tylenol, acetaminophen is found in more than 600 over-the-counter and prescription medications. Doctors often recommend treating a fever, headache, or other pain by alternating between ibuprofen and Tylenol. And you’ll likely be given Tylenol if you go to the hospital with a fever. But Is Tylenol Actually Safe? Dr. Cammy Benton, an integrative family physician based in Huntersville, North Carolina, says Tylenol isn’t safe for children and should only be used sparingly by adults. …