Lifetime Medical Costs Of Obese People Actually Lower Than Costs For Healthy And Fit, Mathematical Model Shows
Lifetime Medical Costs Of Obese People Actually Lower Than Costs For Healthy And Fit, Mathematical Model Shows
What are the lifetime medical costs associated with obesity? Researchers found that the group of healthy, never-smoking individuals had the highest lifetime healthcare costs, because they lived the longest and developed diseases associated with aging; healthcare costs were lowest for the smokers, and intermediate for the group of obese never-smokers.
Brain Circuitry That Drives Drug-seeking Compulsion Identified
In experiments with rats, researchers have identified the change in brain circuitry that drives development of a compulsion to seek drugs, even when that compulsion is self-destructive. The researchers demonstrated the function of the circuitry by selectively switching off drug-seeking in the animals. They said their findings show the key role of the brain region, known as the striatum, which is a region activated by reward.
Transparent Adult Zebra Fish Will Make Human Biology Even Clearer
Zebrafish are genetically similar to humans and good models for human diseases. Now, researchers have bred a zebrafish that is transparent throughout its life, allowing researchers to directly view its internal organs and observe disease processes like tumor growth or engraftment of bone-marrow transplants in a living organism.
Environmentally Friendly Technology Can Produce Commonly Used Compound, Ethylene
A new environmentally friendly technology may revolutionize the production of the world's most commonly produced organic compound, ethylene. Ethylene has a vast number of uses in all aspects of industry. Farmers and horticulturalists use it as a plant hormone to promote flowering and ripening, especially in bananas. Doctors and surgeons have also long used ethylene as an anesthetic, while ethylene-based polymers can be found in everything from freezer bags to fiberglass.
Coronary Artery Bypass Graft Surgery Promising In 90-Year-Olds
Coronary artery bypass graft (CABG) surgery is becoming increasingly common, and appears to be a viable treatment, among individuals in their 90s, according to a study published in the American Journal of Cardiology. CABG surgery creates new pathways around narrowed and blocked arteries, allowing sufficient delivery of blood, oxygen, and nutrients to the heart. Researchers studied the outcomes of the surgery on 4,224 nonagenarian Medicare patients who underwent the procedure from 1993 through 1999.
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