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Author Archives: agnieszka
coffee: there’s still a latte we don’t know
Coffee is one of the most frequently consumed — and well studied — beverages in the world. But researchers continue to debate its potential dangers and benefits, particularly for those at risk for age-related problems, such as heart disease and … Continue reading
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the aging of AIDS
Potent drug therapies, and perhaps even the use of Viagra, are rapidly making HIV/AIDS a disease of older adults, bringing new challenges for prevention, diagnosis, and treatment. Most of us are familiar with the major disorders associated with aging, such … Continue reading
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genetics: man’s best friend is decoded
After a year of work, researchers announced last week that they have assembled a detailed draft of the dog genome, the genetic coding that makes a dog a dog. The genome has been placed on-line in various public databases, making … Continue reading
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dermatology: tanning sessions might boost user’s mood
Frequent tanners may be addicted to the mood-elevating effects of ultraviolet, or UV, light, say researchers from North Carolina’s Wake Forest University Baptist Medical Center. In the July issue of the Journal of the American Academy of Dermatology, Steven Feldman … Continue reading
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genetics: gene implicated in aging and fertility
Mayo Clinic researchers have discovered a gene that plays a role in regulating aging and fertility in mice, which may lead to a better understanding of age-related disorders in humans. In the July issue of Nature Genetics, Jan van Deursen … Continue reading
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better prediction, better care
Many people with Alzheimer’s disease don’t receive the hospice services they need because these programs are reserved for people with less than 6 months to live. A new prognostic model could make it easier for these patients to get quality … Continue reading
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evolution: on the origin of leaves
The amount of CO2 in the atmosphere may have played a significant role in the evolution of leaves, report British scientists. Plants need CO2 to live. They absorb the gas through pores called stomata, which also work to cool the … Continue reading
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weight control: obese lack spike of hunger hormone
Researchers studying hormones associated with food intake and metabolism have discovered a hitherto unknown biological feature of obesity. Julio Licinio of the University of California at Los Angeles and colleagues have found that obese people lack a normal nighttime spike … Continue reading
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astronomy: a close encounter with a wild comet
NASA’s Stardust spacecraft has revealed comet Wild 2 to be unlike any other comet known. Researchers describe the strange astronomical object in a series of papers in the June 18 issue of Science. The spacecraft came within less than 150 … Continue reading
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climate: new ice age may be thousands of years away
The longest Antarctic ice core yet drilled is revealing Earth’s climate of the past, as well as predicting its future, suggesting that the next ice age is at least 15,000 years away. The ice core, almost 2 miles long, was … Continue reading
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