Understanding how the brain creates conscious experience remains one of science’s most difficult challenges. Brain scans and behavior studies have linked awareness to certain neural patterns, but ...

An ultrasound scan is one of the main tests doctors use to diagnose cholecystitis. On a scan, clinicians may be able to spot the presence of gallstones, which can cause this condition. Cholecystitis ...

Renal ultrasound scans, which people may also call kidney ultrasounds, provide an image of the kidneys and may help doctors identify an underlying issue with these organs. An ultrasound, also known as ...