Vitamin D is needed for calcium to be made useful in the body (for instance in bones). As you get older you tend to lose calcium from the bones and it becomes necessary to try and prevent this by ensuring that there is enough calcium in the diet and that this calcium is usable by the body.
Vitamin D is made in the body by the action of UV sunlight on the fat layers just under the skin. If there is not enough exposure to sunlight the body becomes short of vitamin D and bode deformities can occur in growing children (rickets). Therefore in the young and the old it is important that both Calcium and vitamin D are present in the diet.
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Scurvy is a really serious disease that doesn't really effect a lot of people. However if you ever get scurvy there are few ways for it to be treated; you need to have vitamin C provided to you, either orally or via an injection. Orange juice is also an effective remedy, but also specific vitamin supplements are also effective.
You definitely need a source of vitamin C. The reason English Sailors are called Limeys is because they carried limes on the ships as a vitamin C source. Other than that you need fresh water, protein sources, flour, othjer dry goods, and preserved foods.
Neolithic people moved to Mesopotamia, Syria to contribute to the cause of increasing people. The increasing population was in need of more nutriment. To grow more nutriment, the Neolithic people needed more land.
Yes, we do need more because there is more elderly people that need one and people need jobs.
Elderly people are more likely to dress conservatively.
Injured People, Because the recovery process consumes more energy. So you need more calories than the average person to help with quick recovery and healing.
more elderly people means: less jobs, more people too old to work, which causes the government to gain less money. elderly people need medical care, so government spends more money to care for growing elderly population more taxes to help supply the medical care for the growing elderly population high dependency rate
smokers need more vitamin C because cigarettes both attack your lungs and take away your vitamin C
Vitamin C
People that are older the more help that they might need. An elderly person could need help getting to and from appointments, cooking meals, cleaning and in some cases bathing.
because they lose it as they age
because they are more likely to develop illness, so they need more nutrition
Calcium and Vitamin D, since you need one to absorb the other.
== == As people get older, their bodies get weak. So they need more nutrition than younger people to keep their bodies healthy and fit.
Yes