By J. Lang Wood The search for the reasons behind obesity and the most effective methods for losing weight led to the discovery of the leptin hormone in 1994. This hormone is responsible for transmitting messages to the brain about how much energy to use depending on available energy reserves.

published Jun 4, 2018 7:10:13 PM, by Mark Gurman (Bloomberg) — Apple Inc. executives rarely call out Facebook Inc., but they made more moves on Monday to limit the social network’s data collection. In iPhone, iPad, and Mac software updates later this year, Apple’s default Safari web browser will show