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New study casts doubt on lung cancer treatment
NEW YORK (Reuters Health) – A controversial radiation treatment for patients who’ve had lung cancer surgery may not help elderly people live longer, U.S. researchers have found. Postoperative radiotherapy, or PORT, is thought to cut the chances that a tumor will return. But it can damage the heart and lungs,…
With no firm science, sleep standards are slipping
NEW YORK (Reuters Health) – Kids never got enough shuteye, even back in grandpa’s day. That’s according to a century’s worth of expert advice and sleep studies, which a team of researchers has now distilled into a brief report in the journal Pediatrics. “There is a common belief that children…
Lab study raises questions over nano-particle impact
PARIS — Tests involving chickens have raised questions about the impact on health from engineered nano-particles, the ultra-fine grains commonly used in drugs and processed foods, scientists said on Sunday. Chickens exposed to high oral doses of polystyrene particles 50 nanometres (50 billionths of a metre) across absorbed less iron…
Erectile drugs might help premature ejaculation: studies
NEW YORK (Reuters Health) – Most studies looking at whether erectile dysfunction drugs can help men overcome premature ejaculation problems agree that the pills make a difference, but much of the research is flawed, according to a new review of the evidence. Of the 14 studies included in the review,…
Experts build crab-like robot to remove stomach cancer
SINGAPORE (Reuters) – Inspired by Singapore’s famous chilli crab dish, researchers have created a miniature robot with a pincer and a hook that can remove early-stage stomach cancers without leaving any scars. Mounted on an endoscope, it enters the patient’s gut through the mouth. It has a pincer to hold…
Rapunzel number helps scientists quantify ponytails
LONDON (Reuters) – British scientists said on Friday that a “Rapunzel Number” may have helped them to crack a problem that has perplexed humanity since Leonardo da Vinci pondered it 500 years ago. Scientists from the University of Cambridge and the University of Warwick said they had devised a “Ponytail…
Cancer drug reverses Alzheimer’s in mice: study
WASHINGTON — A widely available cancer drug has shown remarkable success in reversing Alzheimer’s disease in mice, raising hope of a breakthrough against incurable dementia in humans, US researchers said Thursday. Mice treated with the drug, known as bexarotene, became rapidly smarter and the plaque in their brains that was…
Himalayan meltdown not so fast after all: study
Himalayan glaciers and ice caps that supply water to more than a billion people in Asia are losing mass up to 10 times less quickly than once feared, reports a study published Thursday. Based on an improved analysis of satellite data from 2003 to 2010, the findings offer a reprieve…
New advance in gene therapy for blindness
WASHINGTON — US scientists on Wednesday reported a new advance in using gene therapy to restore eyesight in people with a rare, inherited form of blindness. The therapy, which had been previously tried in just one eye of 12 people, worked well when injected into the other eye of three…
Study on mice shows fasting weakens cancer
WASHINGTON — Early research on mice with cancer shows that fasting may weaken tumors and help chemotherapy work better, scientists said on Wednesday. While it remains unknown if the same approach could work in humans, or if it would even be safe, researchers said the findings suggest a promising new…
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