Forget Post-it notes-cell phones are the newest way to remember your doctor's appointments and health goals. Check out how three companies are using text messages to help you stay well.

  • INTELECARE ( For $5 a month, you'll receive unlimited text message, e-mail, or voice mail reminders for prescriptions and appointments.

  • QUITEXT ( Trying to kick butts? For $20, QuiText will send supportive tips and advice your way every day for six weeks. A recent study from New Zealand's University of Auckland found that smokers who used a similar program were twice as likely to quit as those who didn't.

  • SENSEI ( After logging your weight-loss goals and personal details, such as food and exercise habits, you'll receive daily meal recommendations and weekly grocery shopping lists-as well as restaurant menu options and motivational notes-for $6 a week.