Add a transition statement at the beginning of the paragraph that links two ideas.
Air pollution has been linked to heart and lung disease, as well as cancer. It affects all age groups, from children to the elderly.
As we consider the impact of environmental factors on human health, it's important to note that air pollution has been linked to heart and lung disease, as well as cancer. It affects all age groups, from children to the elderly.
Complete the following task based on the instruction and optional input provided.### Instruction:
Add a transition statement at the beginning of the paragraph that links two ideas.

### Input:
Air pollution has been linked to heart and lung disease, as well as cancer. It affects all age groups, from children to the elderly.

### Output:
As we consider the impact of environmental factors on human health, it's important to note that air pollution has been linked to heart and lung disease, as well as cancer. It affects all age groups, from children to the elderly.