Health & Fitness

Researchers set out to understand gift giving dynamics in these settings and how a giver's and a recipient's evaluation of the giver's gift is influenced by the other gifts the recipient receives.

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Researchers found that inhaling unfragmented hyaluronan improves lung function in patients suffering from severe exacerbation of chronic obstructive pulmonary disease (COPD). Hyaluronan, a sugar secreted by living tissue that acts as a scaffold for cells, is also used in cosmetics as a skin moisturizer and as a nasal spray to moisturize lung airways. Utilized as a treatment, hyaluronan decreased the number of days in the hospital.

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After studying microbial communities living on bristles from used toothbrushes, researchers found those communities matched microbes commonly found inside the mouth and on skin.

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To study the behavior of T-cells, an unusual method was used: DNA molecules were folded in an ingenious way, similar to the paper folding art origami. In this way, not just a double helix is created, but a rectangular 'molecular raft' that floats across a cell membrane and serves as a tool for novel measurements.

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It's commonly accepted that protein folding/misfolding are alternative reactions of unfolded proteins but the principles governing this remain unknown. Here, researchers describe a general concept that links protein folding and misfolding: protein folding and amyloid formation are separated by the supersaturation barrier of a denatured protein. Breakdown of this supersaturation barrier is required to shift the protein to the amyloid pathway, linking Anfinsen's intramolecular folding universe with the 'outer' intermolecular misfolding universe.

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Bleeding of the gums on gentle probing, or gingival bleeding tendency, and also bleeding in the eye, or retinal hemorrhaging, were associated with low vitamin C levels in the bloodstream.

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Researchers have revealed how a rare DNA change rebalanced the immune system of patients with a life-threatening genetic immunodeficiency.

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