Space Flights Provoke Tension Headaches, Migraine
Space flight appeared to provoke headaches in healthy astronauts, a prospective study showed. Of 24 astronauts who participated in long-haul space flights — ones that lasted at least 10 days — 91.7% experienced one or more headaches during a total of 3,596 space days, reported Willebrordus P. J. van Oosterhout, MD, PhD, of Leiden University […]
COVID Cleared of Increasing Risk of Type 1 Diabetes in Kids?
COVID-19 infection didn’t appear to precipitate a diagnosis of type 1 diabetes in kids, a prospective multinational cohort study suggested. Researchers tested more than 4,500 adolescents every few months for type 1 diabetes, SARS-CoV-2 infection, and vaccination antibodies from January 2020 through December 2021. However, there was no difference among the 45 kids diagnosed with […]
Bottoms Up on Black Tea for a Long Life?
A few cups of tea a day might help to stave off an early death, a U.K. Biobank prospective cohort study showed. Among nearly half a million middle-age adults, those who consumed two or more cups of tea a day saw a modest but lower risk for all-cause mortality over a median 11.2-year follow-up, reported […]
Specific brain responses to traumatic stress linked to PTSD risk
Results from the largest prospective study of its kind indicate that in the initial days and weeks after experiencing trauma, individuals facing potentially threatening situations who had less activity in their hippocampus — a brain structure critical for forming memories of situations that are dangerous and that are safe — developed more severe posttraumatic stress […]
Active brown adipose tissue protects against ‘pre-prediabetes’
In a prospective study of young, lean adults, PET/CT imaging revealed that higher levels of active brown adipose tissue (also known as “brown fat”) are more prevalent in individuals who exhibit very early indications of metabolic disorders. Published ahead of print in The Journal of Nuclear Medicine, the study suggests that active brown fat is […]
Supplements to Prevent Bone Breaks? VITAL Says Forget It
New analyses from the big prospective study called VITAL cast additional doubt on the value of routine vitamin D and omega-3 fatty acid supplements for generally healthy individuals. Daily administration of 2,000 IU of vitamin D, in many cases on top of supplements that study participants were taking on their own, had no effect on […]