Is it a Cold Sore or a Fever Blister?

By Nicholas Dragon
cold sore or fever blister

Imagine this: You and your mother are having a heated discussion about whether the sudden appearance of a sore on your lip is a fever blister or a cold sore. You know you can win this battle, and you respond with an I’ll-show-you retort: "Let's ask Mr. Google," you say. Both of you whip out your smart phones, and ...a family crisis is averted. It turns out you’re both right, according to John Hopkins Medicine. Case in point, this annoying sore is known by both names, and is caused by the virus "herpes simplex," or oral herpes (HSV-1).

Air Quality and Exercise: Tips for Staying Active When The Air Quality is Poor

By Jeremy Holt
Utah Air Pollution

It’s that time of year again. We’re starting to hear about bad air on the news, then we’ll see it driving into town and finally we’ll taste it in the air.

On the worst days it doesn’t even feel healthy to breathe, let alone go for a run or walk. And while getting plenty of exercise is one of the best things you can do for your health, exercising outdoors when the air quality is poor can be unhealthy.