It is Gravity.
Hope this helps.
Humans have higher brain functions
¿Qué tipo de luz UV se usa en las camas de
bronceado y por qué es tan peligroso?
<span>The answer would be: less; less
Repetitive Transcranial Magnetic Stimulation(</span>rTMS) and Electro Convulsion Therapy(ECT) are a treatment option for a patient with major depressions. Both of them is dangerous because it involves a stimulation of the brain and has a chance to do permanent damage afterward. rTMS is a newer method that has lower chance of side effect.