Atechnique that uses measurement of radioactive isotopes to evaluate the activity of the brain is

Magnetic resonance

Explanation:

Images of the brain in action can be obtained by functional magnetic resonance imaging, a method of injecting into the glucose vein labeled with radioactive isotopes, and analyzing through resonance its distribution to different brain areas, while performing functions such as walking, laughing, looking. for figures that arouse compassion, anger, sexual attraction, solidarity. According to this reasoning, magnetic resonance imaging is a technique that allows brain activity to be assessed by measuring radioactive isotopes.

of those who start drinking before they're 15 will develop alcohol dependence

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.