Medical research

A new way to monitor cancer radiation therapy doses

More than half of all cancer patients undergo radiation therapy and the dose is critical. Too much and the surrounding tissue gets damaged, too little and the cancer cells survive. Subhadeep Dutta and Karthik Pushpavanam, ...

Ophthalmology

Color vision problems become more common with age

Abnormal color vision increases significantly with aging—affecting one-half or more of people in the oldest age groups, reports a study in Optometry and Vision Science, official journal of the American Academy of Optometry.

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