Medical research

The key to proper muscle growth

When a muscle grows, because its owner is still growing too or has started exercising regularly, some of the stem cells in this muscle develop into new muscle cells. The same thing happens when an injured muscle starts to ...

Oncology & Cancer

How a common oral bacteria makes colon cancer more deadly

Researchers at the Columbia University College of Dental Medicine have determined how F. nucleatum—a common oral bacteria often implicated in tooth decay—accelerates the growth of colon cancer. The study was published ...

Medical research

Study traces brain-to-gut connections

Neuroscientists at the University of Pittsburgh Brain Institute have traced neural pathways that connect the brain to the stomach, providing a biological mechanism to explain how stress can foster ulcer development.

Medications

The struggle to define psychedelics

Psychoactive drugs include all manner of hallucinogens, deliriants, hypnotics and psychedelics. But what is a psychedelic, really? Insofar as many in the field are now moving toward bringing new molecules with presumably ...

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