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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
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%.
People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.