A substance that worsens dementia has become a "switch" that initiates treatment. KAIST researchers have developed a new therapeutic approach that uses hydrogen peroxide (H₂O₂), a reactive oxygen species that damages cells ...
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Linus Pauling was one of the most brilliant scientists of the 20th century. He won two Nobel prizes and transformed our understanding of chemical bonds and the structure of proteins. Late in his career, though, he became ...
May 6, 2026
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Every stroke begins with a sudden interruption of blood flow in the brain. But what happens afterward—why neurons continue to lose function and die over the following days—has remained one of the most important unanswered ...
Apr 28, 2026
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Photodynamic treatment of cancer is based on administering an initially inactive substance that is only activated in the tumor via targeted light irradiation. It then generates reactive oxygen species that kill the cancer ...
Apr 7, 2026
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Before antibiotics and antiseptics, healers across ancient Egypt, Greece, and China reached for honey to treat wounds. Archaeological evidence shows humans have been harvesting and collecting honey for thousands of years—and ...
Mar 3, 2026
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Oxidative stress is a direct consequence of an excess in the body of so-called free radicals—reactive, unstable molecules that contain oxygen. Free radicals are normal metabolic by-products and also help to relay signals ...
Feb 10, 2026
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Scientists at Wake Forest University School of Medicine have discovered a new way to kill cancer cells by blocking their ability to clean up harmful waste. Cancer cells produce high levels of hydrogen peroxide, which can ...
Nov 4, 2025
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Hypertrophic cardiomyopathy (HCM) is the most common hereditary heart disease. It causes the left ventricle to thicken, the heart muscle to contract too strongly and work too hard. This additional strain puts pressure on ...
Oct 24, 2025
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White teeth are highly valued by young adults. But an even tooth color is considered to be of even higher importance. A study from the University of Gothenburg, one of the first of its kind, shows that many people with a ...
Sep 17, 2025
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Hemoglobin, long celebrated for ferrying oxygen in red blood cells, has now been revealed to play an overlooked—and potentially game-changing—antioxidant role in the brain.
Aug 21, 2025
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