Brain activity from more than 1000 people shows a rapid transition from being awake to being asleep, rather than a slow transition between the two states
People who receive stem cell therapy within a week of their first heart attack have nearly a 60 per cent lower risk of developing heart failure years later
The Trump administration has laid off government workers integral to major public health surveys, meaning the country will lack crucial information on births, deaths and illnesses nationwide
Human embryos formed with in vitro fertilisation can develop genetic abnormalities in the time between genetic testing and implantation – though this may not affect their viability
A growing body of research suggests testosterone replacement therapy can alleviate menopausal symptoms such as a decrease in libido, mood swings and brain fog. But some in the field are sceptical
One of the longest trials of artificial sweeteners to date found that they may increase beneficial gut bacteria, though the boost may also be related to weight loss
Severe lung inflammation has been linked to symptoms resembling post-traumatic stress disorder in mice, which could help us better treat and prevent the mental health condition