do not let your baby cry for too long

According to Dr Penelope Leach, author of Your Baby And Child: From Birth To Age Five. He argued, babies left to cry at risk of stress and psychological problems later in life.

Penelope asserted, his opinion is supported by recent research has ever proved that a crying baby at risk and interfere with brain development in a long time can cause learning difficulties at a later date.

"This is not an opinion, but the fact that letting babies cry a negative impact. Now we know why it's risky," he said as quoted from the dailymail, last week.

Penelope dikemukan theories contrary to popular belief the community that states should be left crying baby until 20 minutes. Some experts, including Gina Ford, author of "The Contented Little Baby Book", suggest parents to let babies cry until regular sleep pattern is formed.

Penelope criticize that opinion by stating, newborns do not have sufficient mental development to learn and go to bed on time. "Babies are left to cry later bakala stop itself, but not because he learned to sleep alone but because he was thirsty and asked for help the mother," he said.

He said, crying babies naturally sustainable production of the hormone cortisol triggers, hormin cause of stress. During the body produces these hormones, your baby's brain development would be disrupted.

"That's not shall mean the baby should not cry or parents worry and panic when your baby cries. All babies cry, some babies cry more loudly than others. Crying is not bad impact on the baby but the baby is crying but it was the wrong left," said Penelope .