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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.