What makes someone a "morning lark" or a "night owl?" Why does jet lag hit us so hard, and why do some people struggle each ...

Painful cramps in the legs that get better with rest can be a sign of poor circulation. Skin color changes, such as appearing pale, bluish, or gray, indicate poor circulation. Brittle nails and hair ...

Carrie Madormo, RN, MPH, is a health writer. She has over a decade of experience as a registered nurse, practicing in a variety of fields, such as pediatrics, oncology, chronic pain, and public health ...

Researchers have recreated a miniature human bone marrow system that mirrors the real structure found inside our bones. The model includes the full mix of cells and signals needed for blood production ...

Sabres center Jiri Kulich is out indefinitely after a blood clot was discovered. Timothy T. Ludwig / Imagn Images Blood clots are not a new issue in the NHL, but rather one that has re-emerged in ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that replicate certain aspects of very early human development—including the production ...

When treating severe burns and trauma, skin regeneration can be a matter of life or death. Extensive burns are usually treated by transplanting a thin layer of epidermis, the top layer of skin, from ...

You may be able to improve blood flow with supplements, including vitamins, minerals, and herbs. These may improve circulation problems caused by certain health conditions and lifestyle factors, but ...

For centuries, people have been searching for ways to reverse the effects of aging. A new study has now revealed that factors present in young human blood can rejuvenate aged skin. As we age, the ...

Poor circulation in the legs affects millions of people worldwide, causing uncomfortable symptoms like cramping, swelling, numbness, and fatigue. While many factors contribute to circulation problems, ...