The only change I know of was the silk road, where they had to build roads and clear forests so that traders could go through. I don't think any other geography changed during that era.
<span>The answer is same socio-economic status</span>
Cardiovascular diseases such as atheroscelerosis and hypertension
Cardiovascular diseases are series of diseases that occur due to narrowed or blocked blood vessels which can result in chest pain, heart cold or stroke. Excess free radicals play an important role in the initiation and progression of cardiovascular diseases such as atheroscelerosis by damaging the blood vessel walls.
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