Medically reviewed by Michael Menna, DO Key Takeaways The circulatory system carries oxygen and nutrients throughout the body and removes waste.The lymphatic system helps fight disease by creating and ...

Reviewed by Felix Gussone, MD. Key Takeaways: Hormones control essential processes like growth, metabolism, mood, and ...

Endocrine therapy is a way of treating conditions such as cancer using hormones. Also known as hormone therapy, it involves adjusting the levels of certain hormones, such as testosterone, estrogen, ...