Optometrists recommend the 20-20-20 rule. Look away from the computer screen every 20 minutes or so and look at something around 20 feet away for about 20 seconds. Blink often to keep your eyes moist. Why?

When a doctor suspects that a patient may have diabetes based on what symptoms?

What advantage is the cell wall in relationship to osmotic pressure

Winston's baseball team had the bases loaded in the last inning when his friend freddie watched three straight pitches go by without swinging and was called out on strikes out to end the game. how can winston demonstrate responsible behavior in this situation? a. ask the coach sarcastically, in front of the team, if he gave freddie the take sign b. confront freddie and let him know that the team would have won if he could hit c. ignore freddie both after the game and the next day at school d. tell freddie that no one is perfect and to keep his confidence up