Toes are often broken when by unintentionally kick something hard. Heels are often broken when a person falls from a height and lands on thier feet. Other bones in the foot sometimes break if they are twisted or sprained. Most bones break during an accident or immediate injury suddenly. Occasionally, small cracks can form in bones over an extended period of time from repeated stress on the bones. They are called stress fractures. They occur most commonly in athletes such as dancers, runners, and gymnasts or in soldiers hiking in full gear. Damaged bones are more common in children than in adults. In adults, bones are more powerful than ligaments and tendons . However in children, ligaments and tendons are relatively more powerful than bone or cartilage.Machelle Seibel, professor of Obstetrics and Gynecology at the University of Massachusetts and Founder of HealthRock. The body is an more complicated system infinitely, but the same research applies. Keeping the pH environment of the vagina in balance helps prevent an infection. In healthy women, vaginal pH is normally 3.5 to 4.5. This pH is fantastic for beneficial bacteria and produces a hostile environment for pathogenic bacteria that cause odor and infection.