True, if you are 50 and time your age by BMR
<span>a. Reticular formation The reticular formation is a set of interconnected nuclei that are located throughout the brainstem. The reticular formation is not anatomically well defined because it includes neurons located in diverse parts of the brain. The neurons of the reticular formation all play a crucial role in maintaining behavioral arousal and consciousness. The functions of the reticular formation are modulatory and premotor.</span>
Answer:
because you inhale metals into your lungs which damages them