For years, scientists have warned about the link between eating too much ultra-processed food and health problems like obesity and diabetes. But what exactly pushes people to buy these convenient yet unhealthy products? A recent study in France looked at over a decade of grocery receipts from thousa
Many people who move to richer nations face a rising risk of obesity. A big review of earlier studies looks at how culture, income and the local environment all mix to influence weight gain. Instead of just listing facts, this overview digs into the different ways living in a new country can chan
In many low- and middle-income countries, babies in rural areas face a higher risk of dying before they reach their fifth birthday. This is a big problem that needs more attention. Many studies have looked at why this happens, but not enough focus has been on the specific challenges in low- and midd
