How can be prevent PEM?

Pem is a deficiency disease. It is protein-energy malnutrition. It is caused when the body is short of protein and energy foods such as carbohydrate and fats. When the body is short of these foods...

you cant it is hereditory and occurs in children pre-puberty you cant it is hereditory and occurs in children pre-puberty

The key isn't to prevent the craving (it's just a biological part of being human), but to satisfy it without piling on the calories. Try eating a small portion of a sweet cereal, or something else...

Dancers leaping across a floor can land with the force of up to eight times their body weight, so it is important to dance on a sprung dance floor. Injuries can include plantar facia, shin splints,...

You can not prevent dyslexia, it is either ruin families so inherited or you can get from trauma like a car crash but it slightly different and can go away after while.