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 3, 2018 5:01:00 PM, by Keith Zhai and Peter Martin (Bloomberg) — China is reaching out to Europe with pledges to improve market access for companies in a charm offensive that contrasts with President Donald Trump’s escalation of trade disputes worldwide. China’s ambassador to the European Union, Zhang