‘Stem cell’ treatments blacklisted
Mexico’s Federal Commission against Sanitary Risks (Cofepris) has issued a black list of illegal “stem cell” products that are being marketed as helping with many degenerative conditions, as well as for anti-ageing.


“Someday all this pain will make sense to you,” says the enormous wall sign painted over my head as I go through my thrice-weekly workout at my local CrossFit gym.
These last few weeks of the dry season seem to attract far more scorpions than normal into the open, where they can be seen.
Love them or hate them, spiders are the largest group of venomous animals. The worldwide spider catalog of the Planetary Biodiversity Inventory lists 40,024 different identified spider species.