personally have an

"I personally have an issue with the cortisol studies," says Mindell. "Cortisol changes throughout the day. Even sampling cortisol is very difficult. It's based on many things, including how many hours a person has been awake, how it's sampled – it's a complicated thing. People often think 'oh, if we measure cortisol, we'll know if the baby's stressed or not stressed'."

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สาระสำคัญ   SAMe