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Poly/mono balance important to cholesterol-lowering diet

In the search for the best fats for a heart healthy diet, trans- and saturated fats have long been recognized as undesirable and those that contain polyunsaturated fatty acids (PUFAs) and mono-unsaturated fatty acids (MUFAs) are preferred — with no clear benefit demonstrated for higher levels of either the PUFAs or the MUFAs within recommended limits.

Now, a Penn State study provides evidence that the optimum dietary fat isn’t one that contains either more PUFAs or more MUF

Children in chronic pain need better support

One in fifty children and adolescents live with severely debilitating and recurrent pain but there is an “embarrassing” lack of data on the best ways to treat them, according to researchers.

As many as 15 per cent of children suffer from headaches, abdominal and musculoskeletal pain but two per cent of children have pain symptoms that can be severe enough to interrupt sleep, restrict physical activity and prevent them from attending school.

Studies have shown that childr

UT Southwestern researchers discover master switch in cell death

Researchers at UT Southwestern Medical Center have found an enzyme vital for controlling the early stages of cell death – a beneficial and normal process when it works right, but malignant in a variety of cancers when it malfunctions.

The researchers are now examining tissue from cancer patients to try to determine how mutations in the enzyme’s gene may relate to cancer. “We think this gene will really be a hot spot in research,” said Dr. Qing Zhong, postdoctoral researcher

Virginia Tech partner in discovery of quark interaction

Physics researchers working at the High Energy Accelerator Research Organization (KEK) Laboratory in Japan have observed a new type of interaction among the most fundamental of particles, the quark. The scientists reported at the Symposium on Lepton-Photon Interactions at High Energies, June 30-July 5 in Uppsala, Sweden, that they had produced first evidence of a beauty quark converting to the lightest of quarks, the down quark.

“Observation of this very rare phenomenon allows us t

NASA’S Cassini reveals lake-like feature on Titan

Scientists are fascinated by a dark, lake-like feature recently observed on Saturn’s moon Titan. NASA’s Cassini spacecraft captured a series of images showing a marking, darker than anything else around it. It is remarkably lake-like, with smooth, shore-like boundaries unlike any seen previously on Titan.

“I’d say this is definitely the best candidate we’ve seen so far for a liquid hydrocarbon lake on Titan,” said Dr. Alfred McEwen, Cassini imaging team member and

High-powered gene profiles provide clues to genes involved in common form of lung cancer

Using technology that makes it possible to zoom in on smaller sections of cell chromosomes than ever before, researchers at Dana-Farber Cancer Institute have identified nearly 100 chromosome regions where genes are either over-copied or missing in non-small cell lung cancer. The findings provide new clues about the location of genes potentially involved in the most common type of lung cancer –– and one of the deadliest of all malignancies –– and a range of possible targets for future therapies.

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