Smart Underwear Tracks Farts in Real Time

A wearable gas sensor called “Smart Underwear” attached to the inside of people’s underwear monitors hydrogen gas emissions to track digestive health in real time. Image credit:© iStock.com, Nadezhda Kurbatova Just one bite of ice cream or a sip of a milkshake can’t hurt too much, right? Anyone with lactose intolerance knows that this bargaining usually results in some uncomfortable gut sensations and stinky side effects about 30 minutes to a couple of hours later. People with lactose intolerance cannot breakdown lactose, the natural sugar in dairy products. When gut microbes encounter this unabsorbed lactose, they ferment it and release...