Teen Skepchick’s Reality Checks 2.02

• According to the FDA, your stem cells are now drugs. [via Gizmodo]
• Facebook might not be good for those with low self-esteem. [via ScienceDaily]
• Given that super PAC donors are the very rich, it’s unsurprising that most are men. [via Salon]
• Alzheimer’s spreads in the brain along a path, transmitting from nerve cell to nerve cell. [via The New York Times]

Featured image: An image of a human stem cell colony on a layer of mouse embryonic fibroblast feeders. Public domain image from here.