A new twist on an age-old problem: Making knee replacements last
... said knee implants may last 20 years or longer in sedentary patients, but those who are active tend to wear out the implants more quickly many after just 13 years. As younger and younger patients are requiring knee replacements and people are living longer, the durability and functionality of the artificial ...New physical activity opinion survey demonstrates perceptions do not meet reality
...part of the solution for addressing poor diets and sedentary lifestyles. Citing a looming health crisis among the nation's children, Mrs. Laura Bush, Dr. David Satcher and more than 30 national organizations, including NASPE, will develop national, state and local initiatives to create healthier school environ...What do you mean throw out the food guide pyramid?
...rgy output with our food intake. "Americans are so sedentary that their recommended calorie levels are really low so low that it can be very difficult for people to meet their nutrient needs and still maintain energy balance. Calorie intake is just too low. So, the answer to that is exercise more. Be activ...Protein transforms sedentary muscles into exercised muscles, researchers report
...rotein found in skeletal muscle that can transform sedentary muscles into energy-producing, exercised muscles. Researchers from UT Southwestern Medical Center at Dallas and Harvard Medical School reported in a study in today's issue of Nature that when the protein PGC-1Q is genetically introduced in mice, easi...'Obesity sleuths' find chronic diseases linked to behavior contrary our DNA
...ertion, and the inactivity endemic to 21st century sedentary societies. Nutritional "thrifty genes" may furthe...ng genetic and cellular/biochemical bases of why a sedentary lifestyle produces chronic health disorders. They support the hypothesis that humans have inherited...Invading species have harder time cracking diverse plant communities
...author of the Nature paper. "Researchers studying sedentary marine invertebrates have found that diverse communities make more complete use of the limited space available to them, and this leaves invaders with no place to settle," he said. "But the mechanism by which diverse plant communities keep out newcome...Ocean ecosystems only altered following two great mass extinctions
...le of moving around, versus the proportion that is sedentary or attached and doesn't move. "The difference is important for several reasons," says Bambach. "For instance, non-mobile organisms all need to get food brought to them in water currents whereas motile organisms can feed in many ways. "Before the end-...Walking aids older women's arterial elasticity, helping heart
...r Research Laboratory studied fourteen healthy but sedentary postmenopausal women (a group for whom cardiovascular disease is the number one killer in this country). The womens average age was 60, plus or minus three years. Walking at a moderate pace for 40 to 45 minutes a day five times a week for twelve we...How the male beer-gut may be a red flag for cardiovascular disease and other health problems
...raphy) were undertaken in 17 overweight and obese, sedentary men (age, 18-40 years of age; body mass index, Results Her study revealed that: cardiovagal baroreflex gain was reduced in men with higher levels of total body and abdominal fat compared with their age-matched peers with lower levels; and cardi...Labor-inducing folklore alive and well among pregnant women
... throughout pregnancy, an otherwise sedentary woman might run into trouble if she decides to start an exercise regimen at the very end," Schaffir said. Schaffir doesn't put much faith in folkloric suggestions, although ...ORNL material could help pilots keep their cool
...the reduced respiratory rates associated with more sedentary activities, a respiratory heat rejection system still should provide significant personal cooling under all conditions. It also should be most effective when a person is working the hardest. Prototype personal cooling devices that provide respiratory......th a sharp rise in television viewing hours. Such sedentary behavior in children is believed to translate into an identical lifestyle as an adult. The sedentary lifestyle among young people has led to a doubling of childhood obesity rates in the last 20 years. ...December Media Mighlights: GEOLOGY and GSA TODAY
...true diversity and abundance of skeleton-secreting sedentary fauna in this postextinction community. Profound changes in the biosphere at this time, such as increased soil formation accompanying the spread of deep-rooting seed plants, may have resulted in a disturbance of the ecological balance in inland seas....Activity decrease in exercising older adults linked to decline in resting metabolism
...se regularly burn more calories at rest than their sedentary counterparts, it was good news for the active olde...1,155 calories on day five. "Older people who grow sedentary must continually restrict their caloric intake in order to maintain healthy weight, a change that ev...Scientists Scientists detect mom's influence on obesity and diabetes
...s. Numerous genes and environmental factors, like sedentary lifestyle, interact to produce a predisposition for diabetes (diabesity), making it difficult to tease out individual suspects. In the current report, Leiter and colleagues perform an ingenious experiment to identify specific gene-environment intera......e trial, participants must be over the age of 54, sedentary and suffer from clinically diagnosed major depression. Symptoms include depressed mood or loss of interest or pleasure, combined with at least four of the following: sleep disturbances, weight loss, changes in appetite, psychomotor agitation, feel...UW co-hosts conference about healthy weight in adolescent women of color
...cooking and nutritional education, minimization of sedentary activities, and culturally appropriate counseling. The project's long-term goal is to improve the overall health of this at-risk population and to prevent the future health consequences of obesity. Community partners will implement the project's rec...Sperm counts unchanged over 50 years
... declining because of everything from pollution to sedentary jobs to tight underwear - and even spending too long in the car. Sokol said this new study was both large and well designed, so that the results can be trusted to be an accurate reflection of sperm quality among American men. She noted that, coincid...UF nutritionist: Better to vow to eat healthy for new year
...kly right after the holidays. Someone who has been sedentary should not expect to be able to go out and run a marathon and similarly, she said diet changes should be made slowly. "People should think about starting off slowly, incorporating new foods and maybe cutting down on some of the foods that are no......study by comparing the memory skills of a group of sedentary mice to those of a group of mice who exercised fre... made a beeline for the platform. In contrast, the sedentary mice took significantly longer paths and times to find the dock. The path chosen and time taken refl...