Like Helvetica, Arial is a basic font that is easy to read. Twitter and Google both use Arial for all their copy and content. The Huffington Post also uses Arial on its front page but uses the Georgia font for full articles. Arial's origins actually stem from the aforementioned standard font, Helvetica.
Albuterol can have a stimulatory effect, increasing the blood pressure and heart rate. It is possible that some people may abuse albuterol for its stimulant properties, although most people simply feel jittery from albuterol overuse.
Because stimulants can cause weight loss, some people may overuse albuterol in an attempt to lose weight. Recently, there is more interest in using albuterol to increase athletic performance. Albuterol is not approved for any of these uses. Overusing albuterol (for any use) can result in dangerous side effects. Albuterol can cause a very fast heart rate (tachycardia), high blood pressure (hypertension), and irregular heart rhythms (arrhythmias). These side effects can increase your risk of a heart attack, stroke, or other dangerous problems.