An experimental gene therapy raised levels of the key protein protocadherin-15, shown in green, in light-sensing cells in the retinas of nonhuman primates. Image: Maryna Ivanchenko Harvard Medical ...

The findings suggest the dominant “two-hit” hypothesis of cancer development may not tell the full story behind how cancer arises. Study identifies cellular changes that prime cancer-related genes for ...

A dog learns to sit on command, a person hears and eventually tunes out the hum of a washing machine while reading … The capacity to learn and adapt is central to evolution and, indeed, survival.

For millions of people every year, depression is not just an illness but a grueling pattern: anguish, medications, failure, repeat. Supported by a major grant from the nonprofit Wellcome Leap, two ...

DNA analysis has upended a popular narrative about two people whose remains were cast in plaster in the House of the Cryptoporticus in Pompeii. Image: Courtesy of the Archaeological Park of Pompeii A ...

Breast cancer rates rose by 1 percent per year from 2012-2021 for all U.S. women combined, with steeper increases for women under 50 and Asian American and Pacific Islander women, according to the ...

Harvard Medical School’s ability to lead a transformation in medical education and health care through the innovative and responsible integration of artificial intelligence (AI) has now been amplified ...

Eight-year-old Emma Broadbent of Dallas, Texas, lives with an ultra-rare disorder that has caused severe delays in brain development, led to hundreds of days in the hospital, and left her functioning ...