By the year 2100, reindeer populations in parts of the Arctic could decline by up to 80 percent. This is the alarming conclusion of a new international study led by researchers from the University of Copenhagen and the University of Adelaide.

Medicines have a unique chemical fingerprint. Researchers say this knowledge can be used to trace counterfeit or stolen medicine.

Every day the brain produces around half a litre of fluid, cerebrospinal fluid (CSF), which protects the brain from injuries and is responsible for nutrient delivery and waste product removal from the brain cells.

An international research team led by scientists from the University of Copenhagen has discovered a common gut bacterium that lowers body weight and blood sugar while increasing bone density. The finding could pave the way for a new approach to preventing and treating cardiovascular disease, obesity, diabetes, and osteoporosis. The first clinical trials in humans are already underway.