Excess body weight—including overweight and obesity—is a significant risk factor for cancer. Research from the American Cancer Society estimates that it contributes to approximately 5 percent of ...

The female reproductive system includes internal and external organs, each designed to carry out varying functions. Learn more about the anatomy of this system.

Our cells constantly receive DNA damage from factors such as ultraviolet rays, irradiations, toxins and chemicals. For women, that can lead to poor egg quality, which in turn can cause infertility, ...