What’s happening inside the brain of a passionate hockey fan during a big game? A new study from the University of Waterloo gives us a closer look at how the brain functions when watching sports, with data showing how different a die-hard fan’s experience is from that of a casual viewer.

In the first peer-reviewed study to examine the potential risks and benefits of teen skin-care routines posted on social media, scientists at Northwestern Medicine found girls ages 7 to 18 are using an average of six different products on their faces, with some girls using more than a dozen products. These products tend to be marketed heavily to younger consumers and carry a high risk of skin irritation and allergy, the study found. 

Short-form videos like those viewed on Tiktok are being used more frequently to share health information. Ciera Kirkpatrick, an assistant professor of advertising and public relations at the University of Nebraska-Lincoln, studied the effectiveness of videos demonstrating the speculum, a medical instrument used to obtain cervical cell samples for a pap smear. She found videos that emphasize knowledge and the importance of obtaining the routine cancer screen are more effictive than those that offer advice about avoiding pain or discomfort.