If you use it perfectly, the patch is 99% effective. But people aren't perfect, and it can be easy to make a mistake. so in reality, the patch is about 91% effective. That means about 9 out of 100 patch users get pregnant each year.
In 1900, communicable diseases, like pneumonia, TB, influenza, chicken pox, and polio, were the most common causes of death. However, with the development of medicine, and vaccines, now In 2006, lifestyle diseases, like cancer, heart disease, and stroke, were the most common causes of death.
The benefits of strength training improved bone health, decreased risk of injury, increased strength, and controls body fat.