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Tag: "younger" at biology news

Adding radiation decreases breast cancer recurrence

...radiotherapy after breast conserving surgery, than younger women. Making treatment recommendations for older patients, who may have more comorbidities than younger patients, is complicated by under-representation of older women in clinical trials and prognostic st...

New evidence of 'human' culture among primates

...ing him any attention at all - suggesting that the younger monkeys were learning the skill from their more experienced elders. Captive monkeys released into the area that joined the study group also appeared to be learning to bang stones from the others. Dr Moura describes the act of stone-banging as "a r...

Long-lived deep-sea fishes imperiled by technology, overfishing

...er fish are more likely to breed successfully than younger fish. "When you buy orange roughy at the store, you are probably purchasing a filet from a fish that is at least 50 years old," Heppell said. "Most people don't think of the implications of that. Perhaps we need a guideline that says we shouldn't ...

Old dinosaur research leads to new honor

...t of a time period that is about 100 million years younger than the one he usually studies. "I had a special research opportunity through NSERC to pursue this, and never expected it would be that successful. In fact, there will soon be an interpretive centre at the site where we found the embryos ?the Gol...

Elderly spinal cord injuries increase five-fold in 30 years, Jefferson neurosurgeons find

... five times in the past 30 years, as compared with younger spinal cord injury patients, researchers at Thomas...e mortality of these patients is much greater than younger patients and should be factored in when considering aggressive interventions and counseling families...

20-year study shows significant rise in childhood obesity, especially among girls

... that obesity levels had risen significantly among younger children, but that levels were much more constant among teenagers included in the research. They also found that young girls were much more likely to be overweight or obese than boys. For example, in 2002 the average ten-year-old girl was 2.1 p...

Vasectomy may put men at risk for type of dementia

...n who had undergone a vasectomy developed PPA at a younger age (58 years) than men with PPA who hadn't had one (62 years.) While PPA robs people of their ability to speak and understand language, an unusual twist of the disease is patients are still able to maintain their hobbies and perform other complic...

Indicators for risk of heart disease are higher in passive smokers

...s and obesity. Restricting analysis to those 70 or younger with no history of heart attack, heart failure or stroke also made lifwttle difference in the association. Dr Venn said: "Our study shows that very low levels of exposure to second-hand smoke may be associated with appreciable increases in cardiov...

When your brain talks, your muscles don't always listen

...wed lower firing rates among older subjects versus younger subjects--a diminished ability of the muscle fibers to "hear" and respond to the neurons' commands. "The repeated contraction of muscles is essential to movements such as walking," Knight said. "However, our muscles have a reduced capacity to cont...

Fighting influenza & co. with 40,000 blood samples

...ot as effective with this risk group as it is with younger people. The reason for this is that with age the f...ective against these pathogens than in the case of younger patients.' The Dutch project partner, the Academic Medical Center in Amsterdam, discovered the co...

Children who sleep more weigh less

...ur results suggest that encouraging parents to put younger children to bed earlier and allowing both younger and older children to sleep longer in the morning, as well as encouraging school districts to avoid ...

Study examines risk of soft tissue sarcomas in hereditary retinoblastoma survivors

...of 25.2 years. More than half of the patients were younger than 1 year old when diagnosed, and most (88.2 percent) of the patients were treated with radiation. A total of 69 soft tissue sarcomas were diagnosed in 68 hereditary retinoblastoma patients. The most common subtype was leiomyosarcoma, a cancer ...

Power-boosting signal in muscle declines with age

...ercise even harder to get the benefits afforded to younger folk. That's the suggestion of a report in the Feb...rats showed a decline in AMPK activity compared to younger animals. Young rats infused with a stimulatory chemical showed an increase in muscular AMPK activity...

Study shows isolation of stem cells may lead to a treatment for hearing loss

...oing to become the next big epidemic affecting our younger generation though the effects won’t show until it is too late to treat. In addition to loud noise, certain cancer drugs or genetic factors can cause hearing loss in humans due to loss or faulty development of the sensory ‘microphones?(hair cells) in...

Allergy to hair dye increasing

...c reactions to hair dye are increasing as more and younger people dye their hair, warn researchers in this we...people are dyeing their hair and are doing so at a younger age. A survey in 1992 by the Japan Soap and Detergent Association found 13% of female high school st...

BMI not accurate indicator of body fat

...erson really is." The problem, especially among younger people and athletes, is that BMI does not distinguish between body fat and muscle mass, said Ode. "A previous study of NFL football players found that a large percentage of them ?around 60 percent ?were considered obese," he said. "But when you lo...

First clinical trial of gene therapy for childhood blindness

...he full picture. We anticipate the best outcome in younger patients, as we will be treating the disease in the early stages of its development." Professor Ali added: "There are many forms of retinal degeneration, meaning the use of gene therapy treatments must be individually developed then tested in a s...

Risk of stroke doubles if diagnosed with Type 2 diabetes

..., the relative risk for stroke was much greater in younger persons with diabetes than for older persons. As it has been more common to study stroke prevalence within 10 years after diagnosis, this is the first study to specifically examine stroke-related outcomes immediately after the diagnosis of and i...

Research shows cord blood comparable to matched bone marrow

...lysis included transplant outcomes in 785 children younger than 16 who had the diagnosis of acute lymphoblastic leukemia (ALL) or acute myeloid leukemia (AML)....

Caribbean frogs started with a single, ancient voyage on a raft from South America

...e arrived by rafting over water to the smaller and younger islands, the Lesser Antilles, because they never were connected by land to South America, but neither theory proposed that all of the Caribbean-island frog species had a single common ancestor," Hedges said. __IMAGE_3 The anatomy of Caribbean f...

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