A study based on more than 600 000 participants suggests that insomnia increases the risk of influenza and other respiratory infections. Sleep problems also increased the risk of COVID-19 infection requiring hospitalisation.

A new wide-ranging Finnish study on the hereditary risk factors of pre-eclampsia showed that the pregnancy disorder and hypertension share many of the same genetic risk factors. This means that women suffering from pre-eclampsia should pay special attention to their lifestyle to avoid chronic hypertension and other cardiovascular diseases.