Too much TV watching, video games and internet surfing makes children more likely to develop multiple health conditions such as obesity, U.S. researchers said.

Researchers compared 173 studies made since 1980 till to date to understand the reason that how electronic media cast effect on the children health.

The most studies, focused on TV but few looked for other electronic media as well. Most of the studies concluded that viewing of electronic media overall have adverse effects on health.

The studies give proves that children obsessed with media watching may get obese, start smoking and may involve in immature sexual activities than those who spend far less time in front of screen. Researcher also added, previous record also indicate the early drug and alcohol addiction and poor performance in class.

The researchers of the United States said,” They are quite nearer to finding why a lot of mothers suffer from post-biological depression”.

They detected mice missing a chemical receptor in their cognitive structure developed identical syndromes.

The research recommends the receptor supports in stopping the brain cells sacking too often in reaction to alters in hormone levels during the conditions of pregnancy and birth.

A British expert emphasized the study published in Neuron, could lead towards better conducts for the illness.

Amid 5% to 25% of all new mothers are assumed to suffer from a number of forms of post-biological disorder, and can explore it hard to cope with demands of the baby.