Oncology & Cancer

New sensors could offer early detection of lung tumors

People who are at high risk of developing lung cancer, such as heavy smokers, are routinely screened with computed tomography (CT), which can detect tumors in the lungs. However, this test has an extremely high rate of false ...

Cardiology

Do I need a heart scan?

Dear Mayo Clinic: I'm a 57-year-old man, and my doctor recently recommended I have a CT scan of my heart to look for calcium in my arteries. I've never had heart problems. Is this test really necessary?

Psychology & Psychiatry

Do the seasons affect how we think?

When do you think more clearly: winter or summer? What time of year is your short-term memory at its best?

Psychology & Psychiatry

Brain study identifies bipolar marker

People with the highest risk of developing bipolar disorder exhibit weak connections in the emotional areas of the brain, a world-first Australian study shows.

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