The medical consensus is that quitting smoking could reduce women's risk of breast cancer.
According to an American Cancer Society's cancer prevention study the rate of new cases of invasive breast cancer was 24 percent higher in smokers than in nonsmokers. It was also 13 percent higher in former smokers than in nonsmokers.
Here is a list of 10 apps to help you quit:
1. LIVESTRONG My Quit Coach: The app is free and it helps users track cravings and progress, and it also connects users with a social support circle. Download here: iTunes
2. Get Rich or Die Smoking: The app is free and helps users track the money saved during smoke-free days. Download here: Google Play
4. Quit it Lite: The app is free and it educates users on the real cost of smoking while tracking progress. Download here: iTunes
6. Quit Smoking NOW with Max Kirsten: The app is about $5. A clinical hypnotherapist provides audio tracks to help users deal with cravings. Download here: iTunes
7. Craving to Quit: The app is $25 a month. It provides a 21-day program with videos, a tracker and check-in reminders. Download here: iTunes
9. Stop Smoking: This app provides a meditation to help users deal with cravings. It can cost between $1 to $2. Download here: iTunes
10. Kwit: App users can shake their phone for motivational messages and track their progress. It's free. Download here: iTunes