Aging is linked to changes that can make you prone to deficiencies in calcium, vitamin D, vitamin B12, iron, magnesium and several other important nutrients. It may also reduce your ability to recognize sensations like hunger and thirst. Luckily, you can take actions to prevent these deficiencies.
So answer is true
Answer:
because it gives common language for reporting and monitoring diseases
Obvious hairs or other contaminations that are obvious
