Poor skin turgor ia a sign of dehydration
I would say that voluntary isolation always leads to happiness because of for example the case of Crusoe of Lonesome Lake in northern British Columbia Canada who went to live in the wilderness by himself and ended up even building a plane and learned how to fly it all by himself.
B. Small diameters is the characteristic of capillaries that causes restriction of blood flow.
Since it is a narrow passage, not a lot of blood can pass through it at the same time.
The answer is nuts, red meat and legumes.
Legumes are foods such as beans, lentils, chickpeas, peas and soybeans.
Red meats such a beef are rich in iron.
Nuts such as pistachios, almonds and cashews.
