Answer:
There are two main types of blood cholesterol: LDL (low-density lipoprotein) cholesterol, which is considered to be “bad” cholesterol because it can cause plaque buildup in your arteries, and HDL (high-density lipoprotein) cholesterol, which is considered to be “good” cholesterol because higher levels provide some.
credits: Know Your Risk for Heart Disease | cdc.gov
Another name for type 2 diabetes is Noninsulin-dependant diabetes.
The reason as to why that is happening because as they grow older, their system gets weak and how they perceive things gets slow as their senses decline because of their age. This will enable to affect their sensory input, making older people receive less input compared to those who are younger to them.