In the healthy brain, it's important for neuronal activity to be able to modify how the brain grows and develops, she explains - this is how experience changes our brains.
The surroundings of stem cells influence what the stem cells develop into, she explained.
"If you're saving a mother's life," said Stachel, "you're actually saving an entire family". In developing countries, she explained, when a mother dies in childbirth, the infant is less likely to survive.
"In Nigeria, as in most developing countries," she explains, "if you're smart in school you're supposed to be a doctor or a lawyer or an engineer.
"Someone told me a good writing tip is to write conversations with people you can't have conversations with, that it's quite useful for developing characters," she explains.
I didn't want to develop bad habits," she explained.
We extract from that a fiber, we refine it and then we sell into existing developed supply chains," she explains.
"There are no strong recommendations for mobile apps being used as a way of support, as apps are still being developed and their effectiveness studied," she explained.
"You kind of have to release that perfectionism and you have to release that judgement in order for your kids to just develop in a healthy way," she explained of her own parenting approach.
He had had shingles on his neck, she explained, and also developed a persistent itch.
