8. After addiction, withdrawal from the use of caffeine can cause mood swings and irritability, similar to the symptoms of withdrawing from a narcotic or alcohol. 9. Consuming as little as 200mg of caffeine every day can lead to addiction and altered chemistry in the brain.
Progestin is a form of progesterone, a hormone that plays a role in the menstrual cycle and pregnancy. Progestin is used in combination with another hormone called estrogen in combined hormonal birth control pills, the vaginal ring, and the skin patch.
Some women choose to take a progestin-only pill. Called the mini-pill, progestin-only pills allow women to avoid some of the worst side effects of estrogen, while improving regular menstrual cycles and preventing pregnancy.irth control: Oral contraceptives typically contain estrogen and progestin. Combination pills suppress ovulation (the release of an egg) each month. The progestin in these pills also reduces the risk of pregnancy by altering the mucus in your cervix, making it harder for the sperm to move and connect with an egg.