arithmetic-logic unit (ALU) An arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words. In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU).
Can you donate blood if you smoke or have smoked marijuana? For those of you who did not come here to read a lengthy discussion of this topic, the answer is yes. It is perfectly fine for someone who has smoked or even regularly smokes marijuana to donate blood.
However, due to how few calories you burn over time, donating blood can not be viewed as a practical weight loss option. You'd run out of blood and die, if you tried to donate quickly enough to lose weight. Regular donating does have its health benefits, though, even if weight loss isn't an immediate side effect to it.