World Topics

Jul 5, 2016

Stimulating the brain can boost immunity: study

Artificially stimulating the brain’s feel-good center boosts immunity in mice in a way that could help explain the power of placebos, according to a new study. “Our findings indicate that activation of areas of the brain associated with positive expectations can affect how the ...

Jul 1, 2016

Hundreds of U.S. companies sell unapproved 'stem cell treatments'

Hundreds of companies across the United States are selling unapproved stem cell treatments directly to patients, raising concerns about safety and scams in a fast-growing industry, researchers said Thursday. At least 351 companies across the United States are marketing unapproved stem cell procedures at ...