Quiz: How much do you know about caffeine? 
Quiz: How much do you know about caffeine?
Which country consumes the most coffee? Which beverage has the most caffeine? Take this quiz and find out.
Dissolving device offers new treatment for heart disease  Featured
Dissolving device offers new treatment for heart disease
A cutting-edge stent is changing treatment for coronary artery disease by repairing blood vessels and then dissolving entirely.
ICYMI: Top 5 stories this week 
ICYMI: Top 5 stories this week
Pee problems, toothbrush bacteria and skin cancer screenings are covered in this week’s most popular articles.
Going for the gold medal… in sleeping 
Going for the gold medal… in sleeping
Five star athletes from Team USA offer suggestions for getting the sleep you need to perform at your best.
Tips for staying active at work 
Tips for staying active at work
A fitness specialist recommends some simple changes you can incorporate into your everyday routine to get moving while at work.
Eating oily fish may boost colon cancer survival 
Eating oily fish may boost colon cancer survival
A gastroenterologist weighs in and offers advice to reduce your risk.
Do comfort foods have to be unhealthy?  Featured
Do comfort foods have to be unhealthy?
The power of these foods is based on their associations. A physician gives pointers to indulge while still staying healthy.