Here’s a riddle: “What is shifting around, wearing out and turning slightly dingy?” It’s not that old pair of jeans you just can’t throw out – it’s your teeth as you grow older. But, take heart, people are keeping more of their teeth, and those teeth look better thanks to diligent care and implants.

Altitude sickness, or sometimes known as mountain illness, can be a common issue for both children and adults traveling to locations 8,000 feet or higher above sea level.