Health

Short-term sleep loss was associated with increased fat production and muscle breakdown, likely by altering metabolic processes in muscle and fat tissue.

Senior women with probable mild cognitive impairment (deficits related to language, memory, and thinking) who did aerobic exercise by walking twice a week for six months improved their memory for words.

Adults over 50 who engage in cultural arts activities (like going to the theater, concerts, opera, museums, art galleries, and exhibitions) at least once a year have a lower risk of death.

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People under the influence of THC (a psychoactive ingredient in cannabis) were more susceptible to creating false memories than sober people.

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The use of chemical hair straighteners and permanent dyes is associated with a higher breast cancer risk for women, especially among black women.

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Consuming two or more glasses of sugar-sweetened or artificially-sweetened soft drinks per day is associated with a higher risk of all-cause mortality.

COVID-19 patients with type 2 diabetes are at greater risk of suffering severe complications and death in hospital. Having good control of blood glucose levels is associated with a lower risk of complications and mortality.

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Cats and ferrets are highly susceptible to being infected with SARS-CoV-2 (the virus that causes COVID-19), whereas dogs appear to be much less likely to be infected. Ducks, pigs, and chickens don't appear to be vulnerable. It's unclear if any of these animals get very sick or can spread the virus to people.

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Cloth masks made from a combination of two fabrics, such as cotton/2 layers of silk, cotton/2 layers of chiffon or cotton/flannel, can be nearly as effective as an N95 respirator at filtering. However, the efficacy of both cloth and N95 masks decreases by more than half with improper fit.

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For non-aerosol-generating procedures, N95 respirators were not found to be more effective than surgical masks at preventing flu and viral respiratory illnesses among healthcare personnel working with sick patients.

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