Health

How unhealthy are ultra-processed foods?

Ultra-processed foods are commonly portrayed as a modern health scourge: a threat lurking on the shelves of every supermarket linked to obesity, heart disease, cancer and early death.

Medical research

How the body responds to exercise at the cellular level

Researchers have long been fascinated by the possibility that exercise causes various cells in our body to produce molecules that benefit human health, says Jonathan Long, assistant professor of pathology at Stanford University.

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