“In the Viking Age, wearing exotic fur was almost certainly an obvious visual statement of affluence."
The study analyzed 7 million nightly sleep records from more than 47,000 adults in 68 countries.
"Even a little exercise seems to go a long way."
By Stephen Beech via SWNS Fitness trackers really do help increase physical activity levels, according to a new study. Researchers found a "small to moderate" positive...