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 ...

A study published in Science by the Champalimaud Foundation reveals a surprising new role for the immune system. During periods of low energy—such as intermittent fasting or exercise—immune cells step ...

The development and eventual approval of modern drugs is hugely reliant on animal models and human clinical trials, but for some time now scientists have been working on an alternative and more ...

Scientists have figured out a way to test if your organs are at risk of giving out, new research reveals. The organs in our bodies age at differing rates, with certain organ systems falling apart ...

Healthcare has traditionally focused on one-size fits-all medication to treat populations instead of tailoring treatments to individual patients. Recent advances in stem cell technology allow ...

During fasting or exercise, immune cells (red) migrate to the pancreas and stimulate glucagon-producing cells (orange) to regulate blood sugar, with cell nuclei shown in blue. “For decades, immunology ...