Are questions about [nutrition](http://health.stackexchange.com/questions/tagged/nutrition) on topic?

Example:

> Question: To what extent does the cooking time impact the nutritional
> content when boiling potatoes?
> 
> Body:  I wonder to what extent the cooking time impacts the
> nutritional content when boiling unpeeled potatoes with unsalted
> water.
> 
> http://www.livestrong.com/article/340060-does-boiling-potatoes-reduce-their-vitamins/
> says:
> 
> > Boiling potatoes whole in their skins minimizes the amount of vitamin C that is lost. According to the Food and Agriculture
> Organization of the United Nations, boiling unpeeled potatoes results
> in losses of up to 30 percent of vitamin C, but boiling peeled
> potatoes can cause losses of up to 40 percent. About 2 percent of the
> vitamin B-6 is lost due to boiling potatoes, as well as about 23
> percent of the thiamine. A 3.5-ounce serving of potato boiled in the
> skin provides 22 percent of the daily value for vitamin C, but boiled
> peeled potatoes provide only 12 percent. Peeling potatoes before
> boiling can also increase vitamin B-6 losses, with unpeeled boiled
> potatoes containing 15 percent of the DV per 3.5-ounce serving and
> peeled boiled potatoes containing only 13 percent of the DV. There is
> no difference in thiamine content between peeled and unpeeled boiled
> potatoes.
> 
> but does not mention the impact of the cooking time.