This article was reviewed by Felix Gussone, MD. How to Read Blood Test Results: What “Normal” Really Means for Your Health ...

Eun Lee, MD Thyroid blood tests are an important part of diagnosing and treating thyroid disease. Based on how high or low ...

Maternal thyroid-hormone imbalances, particularly concurrent chronic and gestational hypothyroidism, were associated with a dose-dependent increased risk for autism spectrum disorder (ASD) in ...

Men face higher chronic disease rates after 40. Learn which medical tests doctors say are vital for preventing heart attacks, ...

This article was reviewed by Felix Gussone, MD. Hormones and Fertility in Men: What’s the Connection? Key Takeaways: From ...

All products featured on Self are independently selected by Self editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. When your car is low on ...

Irritability is a normal response to frustrations, but it can sometimes signal an underlying mental health disorder, like ...

A woman’s body often carries silent stories, of hormones shifting, cells changing, and organs coping. Annual tests act as ...

Measuring the lymphocytes - white blood cells that fight infection - in a patient's blood can be used to predict outcomes in ...

Lynne Peeples is a science journalist in Seattle, Washington. Near the end of his first series of chess matches against IBM’s Deep Blue computer in 1996, the Russian grandmaster Garry Kasparov ...

Cortisol is the body's main stress hormone. Too much cortisol over time may harm memory and brain health, but the cortisol-dementia link is complex and mostly correlational. Managing stress, sleep, ...