The answer is: Watson
According to Watson, the behavioral conditioning is the one that primarily responsible for the children's development. He is the one that orchestrated the controversial little Albert experiment.
In that experiment, he conditioned a child to be fearful to a certain animals every time that child hear the sound of a bell in order to find out whether that child will still maintain that fear as he developed into adults.
There's many options for this but what i have found is the best source for your calcium is yogurt it helps in many ways.
1)30% of your calcium
2)20% of vitamin D
other options-
milk, cheese, eggs, salmon, and spinach
