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Lifestyle

Daily aspirin may exacerbate cancer in older adults

The authors of a recent study found that healthy older adults who took a daily, low dose of aspirin were at higher risk of receiving a diagnosis of advanced cancers and dying from cancer than those w…

Immune aging and how to combat it

With age, the human immune system becomes less effective at tackling infections and less responsive to vaccinations. At the same time, the aging immune system is associated with chronic inflammation,…

Vaccine misinformation can be dispelled by conversation

A new study assesses the influence of anti-vaccination tweets on residents of the United States counties where they were sent. Health professionals consider vaccines to be one of the great achieveme…

Do Black Americans get less sleep than white Americans?

As the world awakens more and more to systemic racism and racial disparities in healthcare, we examine sleep a key component of health. Are there racial disparities in the amount of shut-eye that Ame…

Hallucinations: What explains these tricks of the mind?

Hallucinations are sensory perceptions that appear in the absence of stimuli. Although they are often associated with illnesses such as schizophrenia, these phenomena can occur in the absence of ment…

How does weather affect COVID-19?

Research shows there are more COVID-19 cases as temperature and humidity fall. A recent study points to more severe cases in cold and dry weather. Do these findings suggest COVID-19 is seasonal? Expe…