Aging

Question 1

What causes aging

Answer 1

1. As organisms become older, the number of cells they contain decreases and the function of the remaining cells declines.
2. as cells are lost homeostasis is less reliable
3. higher loss of cells later in life
4. reserve capacity of cells decreases exponentially

Question 2

What nutritional need declines with age due to a decrease in expenditure?

Answer 2

Energy

Question 3

What vitamins and minerals should be increased with age?

Answer 3

D, B6, Calcium and Magnesium