Martha Beck

Much protective self-criticism stems from growing up around people who wouldn't or couldn't love you, and it's likely they still can't or won't. In general, however, the more you let go of the tedious delusion of your own unattractiveness, the easier it will be for others to connect with you, and the more accepted you'll feel.

Innate mechanisms endow the visual system with highly specific connections, but visual experience early in life is necessary for their maintenance and full development. Deprivation experiments demonstrate that neural connections can be modulated by environmental influences during a critical period of postnatal development.

What do cells do when they see a broken piece of DNA? Cells don't like such breaks. They'll do pretty much anything they can to fix things up. If a chromosome is broken, the cells will repair the break using an intact chromosome.