Rosie O'Donnell tweeted in April that she has lost almost 50 pounds since undergoing weight-loss surgery in 2013.

Extreme weight loss: 5 key strategies

Big weight loss requires big lifestyle changes that stick for more than a few weeks, and it almost always involves a true life transformatio…

From 370 to 185: Looking at this photo from summer 2012, Edgar Hernandez thinks, "How could I have let myself get that big? How could I have let myself go to the point I stopped caring about my body?"

Teen drops nearly 200 pounds

After receiving the sobering blood test result at the doctor's office, Edgar went home and cried. And then something new happened: He owned …

Surprised business man with computer

How to avoid digital eyestrain

Headaches, eye pain, redness, watering, double vision and loss of focus are all associated with digital eyestrain. The good news is there ar…