Varicose veins are damaged are misaligned veins they can cause pain and blood problems so having less may mean less pain and less blood problems.<span />
Explanation:
In humans, the brain accounts for ~2% of the body weight, but it consumes ~20% of glucose-derived energy making it the main consumer of glucose (~5.6 mg glucose per 100 g human brain tissue per minute.
Address Full name and past medical history I think, sorry if I'm wrong
The circulatory system is also known as the cardiovascular system. They both allow blood to circulate throughout the body, transporting nutrients, oxygen, and carbon dioxide.
I hope this helps! :)