MIT engineers create a chip-based tractor beam for biological particles https://news.mit.edu/2024/mit-engineers-create-chip-based-tractor-beam-biological-particles-1003
The dental health benefits of adding fluoride to drinking water may be smaller now than before fluoride toothpaste was widely available. The Cochrane review found that the benefit of fluoridation had declined since the 1970s, when fluoride toothpaste became more widely available.
Singapore doctors develop new cell therapy that saved patients from treatment-resistant T-cell acute lymphoblastic leukaemia. 16 patients who underwent this experimental treatment went into complete remission within a month.
Keeping a longer overnight fast by eating an early dinner and early breakfast may be associated with maintaining a healthy weight. This may be because eating earlier in the day is more in line with circadian rhythms and allows for better calorie burning and appetite regulation.