Should we all be concerned about our cortisol levels? I took a blood stress test and spoke with experts to find out.

Cortisol is a hormone that is made in the adrenal glands, which are located next to the kidneys. Cortisol is used by the body for several reasons, including fighting infections, mounting a stress ...

Researchers have created a new AI biological age test that can tell how old your body is with less than five drops of blood.

Stress and some conditions can increase cortisol levels. High cortisol can cause symptoms such as weight gain, acne, and fatigue. Doctors may refer to high cortisol as Cushing syndrome or ...

Photo-Illustration by Chloe Dowling for TIME (Source Images: Robert Brook—Science Photo Library, Getty Images, Elena Fontana—Getty Images, nito100/Getty Images) Contributor Do you feel ...

Researchers developed an AI model that analyzes hormone metabolism pathways from blood samples to assess biological age, offering insights into aging and health risks.

It's normal to get stressed, but it shouldn't affect your day-to-day functioning. If you experience chronic stress and exhaustion that's affecting your daily life, it may be a sign that you ...

Dr. Omar Al-Heeti is an assistant professor of medicine at Southern Illinois University and practices internal medicine with a specialty in infectious diseases. He received his medical degree from ...

Scientists at Osaka University have developed a new AI-powered method to estimate biological age, providing a more accurate measure of how well a person’s body has aged, rather than just counting ...

Blood sampling via venipuncture is probably the most common experimental procedure that laboratory rhesus monkeys are subjected to. The procedure is generally unsatisfactory because of the animals' ...

Adrenal steroidogenesis is under the control of the hypothalamic–pituitary–adrenal (HPA) axis. Furthermore, metabolic factors including insulin and obesity-related signals may play a role in ...