Weightless on Earth: Preparing astronauts for microgravity

During missions on the International Space Station, astronauts' bodies go through a wide array of changes due to lack of gravity—everything from vision to cardiovascular health to bone density is affected.

More knowledge needed to ensure safe use of botanicals in food

The challenges related to assessing the safety of botanicals in foods and food supplements and regulating their use were highlighted at a conference held in Denmark in November 2014. The conference identified a need for more ...

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