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Thursday, July 03, 2025

Heart rate zones aren’t a perfect measure of exercise intensity, but regularly getting your heart pumping is still important for fitness

Aerobic exercise like jogging, biking, swimming or hiking is a fundamental way to maintain cardiovascular and overall health ^[1]. The intensity of aerobic exercise is important to determine how much time you should spend training in order to reap its benefits.

Aphantasia: Why I cannot see my children in my mind

Not everyone can picture images in their mind's eye and remember sounds or faces - but why?

Many travel nurses opt for temporary assignments because of the autonomy and opportunities − not just the big boost in pay

Travel nurses ^[1] take short-term contracts that can require long commutes or temporarily living away from home. Time and again, they have to get used to new co-workers, new protocols and new workplaces.

So why would staff nurses quit their stable jobs to

Do sweeteners increase your appetite? New evidence from randomised controlled trial says no

Replacing sugar with artificial and natural sweeteners in foods does not make people hungrier -- and also helps to reduce blood sugar levels, a significant new study has found. The double blind randomized controlled trial found that consuming food containing sweeteners produced a similar reduction in appetite sensations and appetite-related hormone responses as sugary foods -- and provides some benefits such as lowering blood sugar, which may be particularly important in people at risk of developing type 2 diabetes. The use of sweeteners in place of sugar in foods can be controversial due to conflicting reports about their potential to increase appetite. Previous studies have been carried out but did not provide robust evidence. However, the researchers say their study, which meets the gold standard level of proof in scientific investigation, provides very strong evidence that sweeteners and sweetness enhancers do not negatively impact appetite and are beneficial for reducing sugar intake.

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