Health & Fitness

While e-cigarettes are still marketed as a way to quit smoking, an increasing body of evidence suggests that switching from smoking to vaping is less of a destination to quitting and more of a permanent layover.

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Gene-editing therapy aimed at two targets -- HIV-1, the virus that causes AIDS, and CCR5, the co-receptor that helps the virus get into cells -- can effectively eliminate HIV infection, new research shows. The study combines a dual gene-editing strategy with antiretroviral drugs to cure animals of HIV-1.

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New findings in color vision research imply that humans can perceive a greater range of blue tones than monkeys do. Distinct connections found in the human retina may indicate recent evolutionary adaptations for sending enhanced color vision signals from the eye to the brain.

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Scientists have identified a potential pathway to pain relief that neither triggers addiction nor causes hallucinations.

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Immunotherapy has redefined cancer treatment, but not all patients experience the same benefit when treated. New research in mice identifies how gut bacteria alter the body's response to a common form of cancer immunotherapy. The animals' gut microbiota lowered the expression of two immune molecules, one previously unknown to play a role in cancer. • Using antibodies to block the activity of either molecule, or the interplay between them, enhanced response to cancer immunotherapy. • The findings can inform the design of treatments that boost the efficacy of cancer immunotherapy among patients with suboptimal response.

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A new study shows that sleep spindles, brief bursts of brain activity occurring during one phase of sleep and captured by EEG, may regulate anxiety in people with post-traumatic stress disorder (PTSD).

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A team of researchers develops stem cell adhesive for arthritis treatment using mussel adhesion protein and hyaluronic acid.

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Scientists studied guinea pigs' communication to understand how the brain recognizes communication sounds regardless of accents and surrounding noise.

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