Sign in to your account or register new one to have full control over your orders, receive bonuses and more.
New customer? Register
Subtotal: 0.00
Total Items In Cart:
A new method of estimating what affects IQ shows that life history and choice count toward your level of intelligence. Contrary to the twin studies, your home can be either an advantage or a disadvantage, and the choices you make at any age (what you read) can upgrade your intelligence.