
Childhood shyness: when is it normal and when is it cause for concern?
Jul 28, 2016 02:34 am UTC| Health Life
When parents observe shyness in their child, they may wonder if it is normal or cause for concern. For instance, in social situations, the child may cling to their parent, be hesitant to speak, reluctant to interact with...
GMOs lead the fight against Zika, Ebola and the next unknown pandemic
Jul 28, 2016 02:25 am UTC| Health Science
The shadow of the Zika virus hangs over the Rio Olympic Games, with visitors and even high-profile athletes citing worries about Zika as a reason to stay away (even if the risk is probably quite low). The publics concerns...
Explainer: the A, B, C, D and E of hepatitis
Jul 28, 2016 02:12 am UTC| Health
Hepatitis means inflammation of the liver. While we usually think of hepatitis A to E viruses, anything that causes inflammation or damage to the liver can be considered as a form of hepatitis. Hepatitis A, B, C, D and...
Even presidential candidates need sleep
Jul 27, 2016 09:05 am UTC| Health Politics
The demands of being a presidential candidate take a toll on sleep. And the demands are not likely to lessen for whomever is elected. President Obama says he schedules six hours of sleep a night but that is not always...
Fentanyl, the anaesthetic that may have been used as a chemical weapon on Chechen rebels
Jul 27, 2016 07:35 am UTC| Health
Fentanyl is a synthetic analgesic (pain relieving) drug in the same class as morphine. It is used to treat acute or chronic pain, including for epidurals given to women during childbirth. It is thought that in 2002...
The Olympics won't spread Zika around the world
Jul 26, 2016 06:23 am UTC| Health
The opening ceremonies of the 2016 Olympics in Rio de Janeiro are just days away. But this year, fears of Zika have cast a shadow over festivities. The Zika virus is the cause of an ongoing epidemic of birth defects...

What causes asthma? Clues from London's Great Smog with implications for air pollution today
Jul 26, 2016 06:20 am UTC| Health Nature
Asthma is a chronic respiratory condition with no known cure. It impacts people of all ages through episodic constrictions of the airways, which may be even worse than it sounds. Approximately 334 million people worldwide...